| Port Talbot to Deville-les-Rouen | 258.41 mi (415.86 km) |
| Port Talbot to Dieppe | 242.41 mi (390.12 km) |
| Port Talbot to Digne-les-Bains | 695.11 mi (1,118.67 km) |
| Port Talbot to Dijon | 493.38 mi (794.01 km) |
| Port Talbot to Dinan | 230.07 mi (370.27 km) |
| Port Talbot to Dinard | 218.38 mi (351.45 km) |
| Port Talbot to Divonne-les-Bains | 577.12 mi (928.79 km) |
| Port Talbot to Dole | 520.34 mi (837.41 km) |
| Port Talbot to Dombasle-sur-Meurthe | 493.62 mi (794.41 km) |
| Port Talbot to Domerat | 461.25 mi (742.31 km) |
| Port Talbot to Domont | 322.97 mi (519.77 km) |
| Port Talbot to Douai | 310.71 mi (500.05 km) |
| Port Talbot to Douarnenez | 242.87 mi (390.87 km) |
| Port Talbot to Douchy-les-Mines | 325.35 mi (523.60 km) |
| Port Talbot to Dourdan | 333.22 mi (536.27 km) |
