| Klamath Falls to Ferentino | 5,998.15 mi (9,653.09 km) |
| Klamath Falls to Fermo | 5,923.52 mi (9,532.98 km) |
| Klamath Falls to Ferrandina | 6,153.32 mi (9,902.81 km) |
| Klamath Falls to Ferrara | 5,770.20 mi (9,286.24 km) |
| Klamath Falls to Fiano Romano | 5,952.15 mi (9,579.06 km) |
| Klamath Falls to Ficarazzi | 6,216.21 mi (10,004.02 km) |
| Klamath Falls to Fidenza | 5,726.60 mi (9,216.07 km) |
| Klamath Falls to Fiesole | 5,821.04 mi (9,368.05 km) |
| Klamath Falls to Figline Valdarno | 5,836.83 mi (9,393.47 km) |
| Klamath Falls to Filottrano | 5,897.85 mi (9,491.68 km) |
| Klamath Falls to Finale Emilia | 5,761.33 mi (9,271.96 km) |
| Klamath Falls to Finale Ligure | 5,718.48 mi (9,203.00 km) |
| Klamath Falls to Fino Mornasco | 5,647.91 mi (9,089.43 km) |
| Klamath Falls to Fiorano Modenese | 5,766.15 mi (9,279.72 km) |
| Klamath Falls to Fiorenzuola d'Arda | 5,718.24 mi (9,202.61 km) |
