| Gaithersburg to Ferentino | 4,524.12 mi (7,280.86 km) |
| Gaithersburg to Fermo | 4,491.32 mi (7,228.08 km) |
| Gaithersburg to Ferrandina | 4,708.56 mi (7,577.70 km) |
| Gaithersburg to Ferrara | 4,342.97 mi (6,989.33 km) |
| Gaithersburg to Fiano Romano | 4,478.22 mi (7,207.00 km) |
| Gaithersburg to Ficarazzi | 4,666.51 mi (7,510.02 km) |
| Gaithersburg to Fidenza | 4,275.41 mi (6,880.61 km) |
| Gaithersburg to Fiesole | 4,363.92 mi (7,023.05 km) |
| Gaithersburg to Figline Valdarno | 4,378.03 mi (7,045.75 km) |
| Gaithersburg to Filottrano | 4,465.85 mi (7,187.09 km) |
| Gaithersburg to Finale Emilia | 4,328.72 mi (6,966.40 km) |
| Gaithersburg to Finale Ligure | 4,223.42 mi (6,796.94 km) |
| Gaithersburg to Fino Mornasco | 4,202.40 mi (6,763.11 km) |
| Gaithersburg to Fiorano Modenese | 4,318.79 mi (6,950.42 km) |
| Gaithersburg to Fiorenzuola d'Arda | 4,266.05 mi (6,865.54 km) |
