Tokyo to Rome safe routes: which airspace to avoid
Last updated · advisory + route data
The shortest (great-circle) path from Narita International Airport (NRT) to Rome–Fiumicino Leonardo da Vinci International Airport (FCO) is 9,905 km and passes over 3 countries rated Level 3 or 4 by the US State Department.
Direct distance
9,905 km
Over Level 3–4
6,636 km
Est. extra distance
+623 km
Est. extra time
+0.7 h
Countries the direct line crosses
Safer ways to fly it
Routing around every Level 4 country is estimated at 10,528 km — 623 km (about 0.7 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.
For a full list of connections that avoid Level 3–4 transit countries, use the SafeRoutes route finder with NRT → FCO.
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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.