Last updated: August 5, 2026
Will Google Maps work without WiFi abroad? Partially. Your phone’s GPS chip works without internet, so Google Maps can show your blue dot on a downloaded offline map. But real-time directions, public transit schedules, traffic updates, business searches, and Street View all need a data connection. The features most travelers depend on stop working the moment you lose internet.
I live in Spain and travel around Europe regularly. Offline maps have saved me more than once — but they have also failed me when I needed to find a pharmacy at 10 PM in a city I did not know, or check whether a bus was actually running on a Sunday. The map showed streets. It could not tell me anything about what was on them.
Key Takeaways
- GPS works without internet — your phone can show your location on a downloaded offline map. But real-time directions, transit, traffic, and business info all need data.
- Offline maps must be downloaded before your trip over Wi-Fi. They expire after a year and do not include public transport routes.
- A mobile data connection (via eSIM or local SIM) turns Google Maps into the full navigation tool most travelers expect it to be.
What Works Offline on Google Maps?
If you download the map of a region before your trip, Google Maps can show your GPS location on that map, provide basic driving directions between two points, and search for places you have saved or that are cached in the downloaded area. That is it.
Driving directions work reasonably well offline. Google Maps calculates the route from the downloaded map data and can follow your GPS position along it. But it cannot reroute you based on traffic. If there is an accident ahead or a road closure, the app does not know. It also cannot show you how long the drive will take in current conditions — it gives you an estimate based on speed limits, not reality.
Walking directions also work offline, though they can be less reliable in dense urban areas where GPS accuracy drops between tall buildings.
What Stops Working Without Data?
Most of the features travelers use daily stop working entirely without internet. Public transit directions — bus routes, metro times, train schedules — require a live data connection. Google Maps does not download transit data for offline use. If you are relying on buses and trains in a foreign city, no data means no transit directions.
Business searches also need data. “Coffee shop near me,” “pharmacy open now,” “ATM nearby” — none of these work offline. The app cannot check opening hours, reviews, phone numbers, or whether a business still exists. You get the street grid and nothing else.
Other features that need data:
- Real-time traffic: Road conditions, accident alerts, alternative routes
- Street View: Previewing what your destination looks like before arriving
- Sharing your location: Sending your live location to someone waiting for you
- Ride-sharing integration: Uber and Bolt buttons inside Google Maps need data
- Updated map data: New roads, changed one-way streets, construction detours
How Do I Download Offline Maps Before My Trip?
Open Google Maps while you have Wi-Fi, search for the city or region you are visiting, tap your profile picture, then tap “Offline maps,” then “Select your own map.” Drag the box to cover the area you need and download it. Each city-sized area takes about 100–300 MB of storage.
A few things to know:
- Offline maps expire after one year (Google used to set a shorter window but extended it).
- You need to download each region separately. If your trip covers three cities, that is three downloads.
- The download only includes map tiles and basic driving/walking route data. No transit. No business details.
- If you forget to download before leaving home, you need Wi-Fi at the airport or your hotel to do it — or a data connection.
Offline maps are a good backup. But they are a backup — not a replacement for having actual internet on your phone.
Why Does GPS Work Without Internet But Maps Don’t?
GPS is a satellite signal — your phone receives location data directly from satellites, no internet required. That is why your blue dot still works on a downloaded offline map even with no Wi-Fi and no data. Your phone knows where you are. It just cannot show you anything useful about your surroundings without a connection to pull that information.
Think of it this way: GPS tells your phone where you are. The internet tells it what is around you. Without the second part, you are a dot on a grid of streets with no context.
How Much Data Does Google Maps Use?
Google Maps with a data connection uses surprisingly little. Navigation for a 30-minute drive uses about 5–10 MB. Searching for nearby places, loading reviews, and checking transit routes adds maybe 10–20 MB per session. A full day of active navigation and searching uses 50–100 MB at most.
Compared to video calls or social media, maps are one of the lightest data users on your phone. The issue — like with many travel apps — is that you need the data at unpredictable moments. You are lost in a neighborhood you did not plan to visit. Your bus did not show up and you need an alternative. The restaurant you walked 20 minutes to is closed and you need another option. These are the moments when offline maps fall short.
What About Apple Maps and Waze?
Apple Maps added offline maps in 2023. The functionality is similar to Google Maps — download a region over Wi-Fi, get basic navigation offline, lose everything else. Waze has no offline mode at all. It is entirely dependent on a data connection for route calculation, traffic reports, and speed camera alerts.
If you are driving abroad and relying on Waze for traffic and speed cameras, you need data. There is no workaround.
What an eSIM Changes
With an eSIM, your phone has a local data connection from the moment you land. Google Maps works fully — real-time directions, transit schedules, business searches, traffic rerouting, location sharing. You do not have to remember to download offline maps before your trip or worry about whether your downloaded area covers where you actually end up.
Your banking app, WhatsApp, and every other app that needs internet also works. The difference between having data and not having data abroad is the difference between traveling with full context and traveling blind.
Traveling soon? Worldcitisim eSIMs activate when you land — so your maps, your apps, and your phone work the way you expect them to.
Frequently Asked Questions
Does GPS work without Wi-Fi or data abroad?
Yes. GPS uses satellite signals, not internet. Your phone can determine your location without any data connection. But without internet, you cannot load maps, get directions, search for places, or access transit info — you just see a dot on a blank or cached map.
Can I use Google Maps offline for walking directions abroad?
Yes, if you downloaded the area beforehand. Google Maps provides walking and driving directions on offline maps. However, it cannot reroute you based on real-time conditions, and walking directions can be less accurate in dense cities where GPS signal bounces between buildings.
Do offline maps show public transit routes?
No. Google Maps offline maps do not include public transport data. Bus routes, metro schedules, train times, and real-time arrival information all require a data connection. This is one of the biggest gaps in offline mode for travelers.
How much storage do offline maps take on my phone?
A city-sized area typically takes 100–300 MB. A small country like Portugal might need 400–600 MB. Larger countries require multiple downloads. The maps expire after one year and need to be re-downloaded.
How much data does Google Maps navigation use?
Very little. About 5–10 MB for a 30-minute drive with live navigation. A full day of active use with searching and transit lookups uses about 50–100 MB. Maps are one of the lightest data consumers on your phone.
Can I share my live location without data?
No. Sharing your location through Google Maps, WhatsApp, or iMessage requires an active internet connection. Your phone knows where you are via GPS, but it cannot send that information to anyone else without data.
Does Waze work offline?
No. Waze has no offline mode. It requires a data connection for all features — route calculation, traffic data, speed camera alerts, and community reports. If you are driving abroad and want Waze, you need mobile data.