| Potomac to Ferentino | 4,528.05 mi (7,287.19 km) |
| Potomac to Fermo | 4,495.45 mi (7,234.73 km) |
| Potomac to Ferrandina | 4,712.53 mi (7,584.09 km) |
| Potomac to Ferrara | 4,347.20 mi (6,996.14 km) |
| Potomac to Fiano Romano | 4,482.18 mi (7,213.36 km) |
| Potomac to Ficarazzi | 4,670.02 mi (7,515.67 km) |
| Potomac to Fidenza | 4,279.57 mi (6,887.31 km) |
| Potomac to Fiesole | 4,368.00 mi (7,029.62 km) |
| Potomac to Figline Valdarno | 4,382.10 mi (7,052.31 km) |
| Potomac to Filottrano | 4,470.00 mi (7,193.77 km) |
| Potomac to Finale Emilia | 4,332.93 mi (6,973.18 km) |
| Potomac to Finale Ligure | 4,227.40 mi (6,803.35 km) |
| Potomac to Fino Mornasco | 4,206.62 mi (6,769.90 km) |
| Potomac to Fiorano Modenese | 4,322.94 mi (6,957.10 km) |
| Potomac to Fiorenzuola d'Arda | 4,270.21 mi (6,872.24 km) |
