| South Portland to Friesoythe | 3,465.76 mi (5,577.61 km) |
| South Portland to Fritzlar | 3,573.78 mi (5,751.44 km) |
| South Portland to Frohburg | 3,703.82 mi (5,960.72 km) |
| South Portland to Frondenberg | 3,504.42 mi (5,639.82 km) |
| South Portland to Fulda | 3,606.42 mi (5,803.97 km) |
| South Portland to Fuldabruck | 3,577.74 mi (5,757.82 km) |
| South Portland to Fuldatal | 3,577.02 mi (5,756.66 km) |
| South Portland to Furstenau | 3,471.88 mi (5,587.46 km) |
| South Portland to Furstenfeldbruck | 3,743.81 mi (6,025.08 km) |
| South Portland to Furstenwalde | 3,720.64 mi (5,987.80 km) |
| South Portland to Furth | 3,597.58 mi (5,789.75 km) |
| South Portland to Furth | 3,692.34 mi (5,942.25 km) |
| South Portland to Furth im Wald | 3,770.71 mi (6,068.37 km) |
| South Portland to Furtwangen im Schwarzwald | 3,622.93 mi (5,830.54 km) |
| South Portland to Fussen | 3,740.95 mi (6,020.47 km) |
