| Castro Valley to Ferentino | 6,271.08 mi (10,092.32 km) |
| Castro Valley to Fermo | 6,199.26 mi (9,976.74 km) |
| Castro Valley to Ferrandina | 6,429.94 mi (10,347.98 km) |
| Castro Valley to Ferrara | 6,045.04 mi (9,728.56 km) |
| Castro Valley to Fiano Romano | 6,224.70 mi (10,017.68 km) |
| Castro Valley to Ficarazzi | 6,484.24 mi (10,435.37 km) |
| Castro Valley to Fidenza | 5,999.11 mi (9,654.64 km) |
| Castro Valley to Fiesole | 6,093.88 mi (9,807.14 km) |
| Castro Valley to Figline Valdarno | 6,109.66 mi (9,832.55 km) |
| Castro Valley to Filottrano | 6,173.39 mi (9,935.12 km) |
| Castro Valley to Finale Emilia | 6,035.66 mi (9,713.46 km) |
| Castro Valley to Finale Ligure | 5,987.17 mi (9,635.42 km) |
| Castro Valley to Fino Mornasco | 5,920.20 mi (9,527.64 km) |
| Castro Valley to Fiorano Modenese | 6,039.32 mi (9,719.35 km) |
| Castro Valley to Fiorenzuola d'Arda | 5,990.59 mi (9,640.93 km) |
