Seoul to Barcelona safe routes: which airspace to avoid
Last updated · advisory + route data
The shortest (great-circle) path from Incheon International Airport (ICN) to Josep Tarradellas Barcelona-El Prat Airport (BCN) is 9,594 km and passes over 3 countries rated Level 3 or 4 by the US State Department.
Direct distance
9,594 km
Over Level 3–4
5,647 km
Est. extra distance
+677 km
Est. extra time
+0.8 h
Countries the direct line crosses
- Russia · ~5,272 kmLevel 4
- Belarus · ~250 kmLevel 4
- North Korea · ~125 kmLevel 3
Safer ways to fly it
Routing around every Level 4 country is estimated at 10,271 km — 677 km (about 0.8 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 ICN → BCN.
Compare fares
Affiliate links — we may earn a commission at no cost to you.
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.