| Caernarfon to Foix | 752.95 mi (1,211.76 km) |
| Caernarfon to Fondettes | 450.63 mi (725.22 km) |
| Caernarfon to Fonsorbes | 709.51 mi (1,141.85 km) |
| Caernarfon to Fontaine | 708.37 mi (1,140.02 km) |
| Caernarfon to Fontaine-les-Dijon | 572.64 mi (921.58 km) |
| Caernarfon to Fontainebleau | 446.41 mi (718.43 km) |
| Caernarfon to Fontenay-aux-Roses | 414.18 mi (666.56 km) |
| Caernarfon to Fontenay-le-Comte | 486.10 mi (782.30 km) |
| Caernarfon to Fontenay-le-Fleury | 405.80 mi (653.06 km) |
| Caernarfon to Fontenay-sous-Bois | 416.64 mi (670.53 km) |
| Caernarfon to Forbach | 554.74 mi (892.76 km) |
| Caernarfon to Fos-sur-Mer | 790.53 mi (1,272.24 km) |
| Caernarfon to Fosses | 405.10 mi (651.95 km) |
| Caernarfon to Fouesnant | 362.69 mi (583.69 km) |
| Caernarfon to Fougeres | 356.92 mi (574.40 km) |
