| South Portland to Forli | 3,910.73 mi (6,293.71 km) |
| South Portland to Forlimpopoli | 3,916.04 mi (6,302.26 km) |
| South Portland to Formello | 4,003.27 mi (6,442.63 km) |
| South Portland to Formia | 4,086.55 mi (6,576.67 km) |
| South Portland to Formigine | 3,850.13 mi (6,196.18 km) |
| South Portland to Fossano | 3,714.76 mi (5,978.34 km) |
| South Portland to Fossombrone | 3,962.41 mi (6,376.88 km) |
| South Portland to Francavilla al Mare | 4,072.94 mi (6,554.77 km) |
| South Portland to Francavilla Fontana | 4,286.57 mi (6,898.57 km) |
| South Portland to Francofonte | 4,299.36 mi (6,919.16 km) |
| South Portland to Frascati | 4,025.40 mi (6,478.26 km) |
| South Portland to Frattamaggiore | 4,128.21 mi (6,643.71 km) |
| South Portland to Frattaminore | 4,126.85 mi (6,641.52 km) |
| South Portland to Frosinone | 4,061.20 mi (6,535.87 km) |
| South Portland to Fucecchio | 3,874.85 mi (6,235.98 km) |
