| Potomac to Forli | 4,386.18 mi (7,058.88 km) |
| Potomac to Forlimpopoli | 4,391.48 mi (7,067.40 km) |
| Potomac to Formello | 4,476.33 mi (7,203.96 km) |
| Potomac to Formia | 4,559.29 mi (7,337.46 km) |
| Potomac to Formigine | 4,325.49 mi (6,961.20 km) |
| Potomac to Fossano | 4,188.53 mi (6,740.79 km) |
| Potomac to Fossombrone | 4,437.64 mi (7,141.69 km) |
| Potomac to Francavilla al Mare | 4,547.49 mi (7,318.48 km) |
| Potomac to Francavilla Fontana | 4,760.82 mi (7,661.80 km) |
| Potomac to Francofonte | 4,767.02 mi (7,671.78 km) |
| Potomac to Frascati | 4,498.29 mi (7,239.30 km) |
| Potomac to Frattamaggiore | 4,600.93 mi (7,404.48 km) |
| Potomac to Frattaminore | 4,599.58 mi (7,402.31 km) |
| Potomac to Frosinone | 4,534.25 mi (7,297.17 km) |
| Potomac to Fucecchio | 4,349.14 mi (6,999.26 km) |
