Sydney to Brussels safe routes: which airspace to avoid
Last updated · advisory + route data
The shortest (great-circle) path from Sydney Kingsford Smith International Airport (SYD) to Brussels Airport (BRU) is 16,738 km and passes over 2 countries rated Level 3 or 4 by the US State Department.
Direct distance
16,738 km
Over Level 3–4
2,398 km
Est. extra distance
+476 km
Est. extra time
+0.6 h
Countries the direct line crosses
Safer ways to fly it
Routing around every Level 4 country is estimated at 17,214 km — 476 km (about 0.6 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 SYD → BRU.
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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.