| South Portland to Floha | 3,730.13 mi (6,003.06 km) |
| South Portland to Florsheim | 3,572.73 mi (5,749.75 km) |
| South Portland to Florstadt | 3,581.11 mi (5,763.24 km) |
| South Portland to Forchheim | 3,686.73 mi (5,933.23 km) |
| South Portland to Foritz | 3,674.42 mi (5,913.40 km) |
| South Portland to Forst (Lausitz) | 3,762.08 mi (6,054.48 km) |
| South Portland to Frankenberg | 3,727.09 mi (5,998.17 km) |
| South Portland to Frankenberg | 3,556.78 mi (5,724.08 km) |
| South Portland to Frankenthal | 3,583.70 mi (5,767.41 km) |
| South Portland to Frankfurt | 3,579.94 mi (5,761.35 km) |
| South Portland to Frankfurt (Oder) | 3,739.66 mi (6,018.39 km) |
| South Portland to Frechen | 3,482.26 mi (5,604.15 km) |
| South Portland to Freiberg | 3,738.86 mi (6,017.11 km) |
| South Portland to Freiberg am Neckar | 3,636.34 mi (5,852.13 km) |
| South Portland to Freiburg im Breisgau | 3,609.77 mi (5,809.36 km) |
