| Castricum to Forli | 666.25 mi (1,072.23 km) |
| Castricum to Forlimpopoli | 671.23 mi (1,080.25 km) |
| Castricum to Formello | 807.74 mi (1,299.93 km) |
| Castricum to Formia | 885.15 mi (1,424.52 km) |
| Castricum to Formigine | 618.50 mi (995.39 km) |
| Castricum to Fossano | 570.13 mi (917.53 km) |
| Castricum to Fossombrone | 716.75 mi (1,153.49 km) |
| Castricum to Francavilla al Mare | 830.58 mi (1,336.69 km) |
| Castricum to Francavilla Fontana | 1,029.23 mi (1,656.39 km) |
| Castricum to Francofonte | 1,167.80 mi (1,879.40 km) |
| Castricum to Frascati | 830.48 mi (1,336.53 km) |
| Castricum to Frattamaggiore | 920.96 mi (1,482.15 km) |
| Castricum to Frattaminore | 919.55 mi (1,479.87 km) |
| Castricum to Frosinone | 856.35 mi (1,378.16 km) |
| Castricum to Fucecchio | 671.02 mi (1,079.90 km) |
