| Fort Collins to Fisciano | 5,670.70 mi (9,126.12 km) |
| Fort Collins to Fiuggi | 5,562.60 mi (8,952.13 km) |
| Fort Collins to Fiume Veneto | 5,337.71 mi (8,590.22 km) |
| Fort Collins to Fiumefreddo di Sicilia | 5,838.46 mi (9,396.09 km) |
| Fort Collins to Fiumicino | 5,529.72 mi (8,899.23 km) |
| Fort Collins to Flero | 5,273.74 mi (8,487.26 km) |
| Fort Collins to Florence | 5,395.27 mi (8,682.85 km) |
| Fort Collins to Floridia | 5,873.89 mi (9,453.11 km) |
| Fort Collins to Foggia | 5,660.37 mi (9,109.48 km) |
| Fort Collins to Foiano della Chiana | 5,440.77 mi (8,756.08 km) |
| Fort Collins to Folignano | 5,525.36 mi (8,892.21 km) |
| Fort Collins to Foligno | 5,486.46 mi (8,829.61 km) |
| Fort Collins to Follonica | 5,420.24 mi (8,723.04 km) |
| Fort Collins to Fondi | 5,592.47 mi (9,000.21 km) |
| Fort Collins to Fontanafredda | 5,330.52 mi (8,578.64 km) |
