| Llantrisant to Deville-les-Rouen | 241.40 mi (388.49 km) |
| Llantrisant to Dieppe | 224.71 mi (361.63 km) |
| Llantrisant to Digne-les-Bains | 679.84 mi (1,094.10 km) |
| Llantrisant to Dijon | 476.40 mi (766.69 km) |
| Llantrisant to Dinan | 221.21 mi (356.00 km) |
| Llantrisant to Dinard | 209.28 mi (336.80 km) |
| Llantrisant to Divonne-les-Bains | 560.35 mi (901.80 km) |
| Llantrisant to Dole | 503.33 mi (810.03 km) |
| Llantrisant to Dombasle-sur-Meurthe | 475.43 mi (765.13 km) |
| Llantrisant to Domerat | 446.98 mi (719.35 km) |
| Llantrisant to Domont | 305.72 mi (492.00 km) |
| Llantrisant to Douai | 292.24 mi (470.31 km) |
| Llantrisant to Douarnenez | 242.13 mi (389.67 km) |
| Llantrisant to Douchy-les-Mines | 306.87 mi (493.87 km) |
| Llantrisant to Dourdan | 316.82 mi (509.88 km) |
