| Gaithersburg to Fisciano | 4,625.99 mi (7,444.82 km) |
| Gaithersburg to Fiuggi | 4,518.44 mi (7,271.73 km) |
| Gaithersburg to Fiume Veneto | 4,352.83 mi (7,005.20 km) |
| Gaithersburg to Fiumefreddo di Sicilia | 4,756.15 mi (7,654.29 km) |
| Gaithersburg to Fiumicino | 4,476.30 mi (7,203.92 km) |
| Gaithersburg to Flero | 4,259.75 mi (6,855.40 km) |
| Gaithersburg to Florence | 4,363.51 mi (7,022.39 km) |
| Gaithersburg to Floridia | 4,781.50 mi (7,695.08 km) |
| Gaithersburg to Foggia | 4,632.69 mi (7,455.59 km) |
| Gaithersburg to Foiano della Chiana | 4,405.90 mi (7,090.62 km) |
| Gaithersburg to Folignano | 4,500.07 mi (7,242.16 km) |
| Gaithersburg to Foligno | 4,454.82 mi (7,169.34 km) |
| Gaithersburg to Follonica | 4,371.20 mi (7,034.76 km) |
| Gaithersburg to Fondi | 4,543.53 mi (7,312.11 km) |
| Gaithersburg to Fontanafredda | 4,344.73 mi (6,992.16 km) |
