Mumbai to London safe routes: which airspace to avoid
Last updated · advisory + route data
The shortest (great-circle) path from Chhatrapati Shivaji Maharaj International Airport (BOM) to London Heathrow Airport (LHR) is 7,213 km and passes over 2 countries rated Level 3 or 4 by the US State Department.
Direct distance
7,213 km
Over Level 3–4
1,273 km
Est. extra distance
+304 km
Est. extra time
+0.4 h
Countries the direct line crosses
- Iran · ~1,148 kmLevel 4
- Afghanistan · ~125 kmLevel 4
Safer ways to fly it
Routing around every Level 4 country is estimated at 7,517 km — 304 km (about 0.4 h at 850 km/h) more than the direct line. Our route data lists a nonstop service on this pair; airlines flying it choose their own routing around restricted airspace.
One-stop option in our route data whose legs avoid Level 4 airspace: via Cairo (CAI), 7,875 km in total.
For a full list of connections that avoid Level 3–4 transit countries, use the SafeRoutes route finder with BOM → LHR.
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Related
Method: country crossings sampled every ~25 km along the great circle; detour from a shortest path on a 1° grid that blocks Level 4 countries, scaled to the great-circle distance. Advisory levels describe ground travel risk, not airspace status — always check your airline and current NOTAMs. Full method & CSV.