| Caernarfon to Tours | 453.19 mi (729.33 km) |
| Caernarfon to Trappes | 406.36 mi (653.97 km) |
| Caernarfon to Treillieres | 417.95 mi (672.63 km) |
| Caernarfon to Trelaze | 427.59 mi (688.13 km) |
| Caernarfon to Trets | 809.51 mi (1,302.78 km) |
| Caernarfon to Triel-sur-Seine | 395.77 mi (636.93 km) |
| Caernarfon to Troyes | 494.63 mi (796.03 km) |
| Caernarfon to Tulle | 608.09 mi (978.62 km) |
| Caernarfon to Urrugne | 685.73 mi (1,103.58 km) |
| Caernarfon to Ussel | 601.80 mi (968.50 km) |
| Caernarfon to Vaires-sur-Marne | 420.44 mi (676.63 km) |
| Caernarfon to Valbonne | 833.71 mi (1,341.73 km) |
| Caernarfon to Valence | 701.47 mi (1,128.90 km) |
| Caernarfon to Valenciennes | 384.51 mi (618.80 km) |
| Caernarfon to Valentigney | 626.47 mi (1,008.20 km) |