| Caerphilly to Tours | 338.03 mi (544.01 km) |
| Caerphilly to Trappes | 301.20 mi (484.74 km) |
| Caerphilly to Treillieres | 302.01 mi (486.04 km) |
| Caerphilly to Trelaze | 310.97 mi (500.46 km) |
| Caerphilly to Trets | 697.69 mi (1,122.82 km) |
| Caerphilly to Triel-sur-Seine | 292.13 mi (470.13 km) |
| Caerphilly to Troyes | 395.44 mi (636.40 km) |
| Caerphilly to Tulle | 492.23 mi (792.17 km) |
| Caerphilly to Urrugne | 572.03 mi (920.60 km) |
| Caerphilly to Ussel | 486.97 mi (783.70 km) |
| Caerphilly to Vaires-sur-Marne | 319.07 mi (513.50 km) |
| Caerphilly to Valbonne | 725.01 mi (1,166.80 km) |
| Caerphilly to Valence | 590.83 mi (950.85 km) |
| Caerphilly to Valenciennes | 305.07 mi (490.96 km) |
| Caerphilly to Valentigney | 532.28 mi (856.62 km) |
