| Castlebar to Floha | 962.19 mi (1,548.49 km) |
| Castlebar to Florsheim | 798.10 mi (1,284.42 km) |
| Castlebar to Florstadt | 806.40 mi (1,297.77 km) |
| Castlebar to Forchheim | 912.09 mi (1,467.87 km) |
| Castlebar to Foritz | 901.22 mi (1,450.38 km) |
| Castlebar to Forst (Lausitz) | 1,005.61 mi (1,618.38 km) |
| Castlebar to Frankenberg | 959.46 mi (1,544.10 km) |
| Castlebar to Frankenberg | 783.65 mi (1,261.16 km) |
| Castlebar to Frankenthal | 810.12 mi (1,303.77 km) |
| Castlebar to Frankfurt | 805.19 mi (1,295.83 km) |
| Castlebar to Frankfurt (Oder) | 990.21 mi (1,593.59 km) |
| Castlebar to Frechen | 707.56 mi (1,138.71 km) |
| Castlebar to Freiberg | 971.84 mi (1,564.02 km) |
| Castlebar to Freiberg am Neckar | 863.85 mi (1,390.23 km) |
| Castlebar to Freiburg im Breisgau | 846.63 mi (1,362.52 km) |
