Bangkok to Barcelona safe routes: which airspace to avoid
Last updated · advisory + route data
The shortest (great-circle) path from Suvarnabhumi Airport (BKK) to Josep Tarradellas Barcelona-El Prat Airport (BCN) is 9,714 km and passes over 6 countries rated Level 3 or 4 by the US State Department.
Direct distance
9,714 km
Over Level 3–4
2,297 km
Est. extra distance
+262 km
Est. extra time
+0.3 h
Countries the direct line crosses
- Myanmar · ~749 kmLevel 4
- Afghanistan · ~624 kmLevel 4
- Pakistan · ~449 kmLevel 3
- Bangladesh · ~225 kmLevel 3
- Azerbaijan · ~150 kmLevel 3
- Russia · ~100 kmLevel 4
Safer ways to fly it
Routing around every Level 4 country is estimated at 9,976 km — 262 km (about 0.3 h at 850 km/h) more than the direct line. Our route data has no nonstop on this pair, so most itineraries connect.
For a full list of connections that avoid Level 3–4 transit countries, use the SafeRoutes route finder with BKK → BCN.
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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.