| Belfast to Deville-les-Rouen | 461.60 mi (742.88 km) |
| Belfast to Dieppe | 438.10 mi (705.05 km) |
| Belfast to Digne-les-Bains | 906.48 mi (1,458.84 km) |
| Belfast to Dijon | 691.27 mi (1,112.49 km) |
| Belfast to Dinan | 455.71 mi (733.40 km) |
| Belfast to Dinard | 444.06 mi (714.65 km) |
| Belfast to Divonne-les-Bains | 776.31 mi (1,249.36 km) |
| Belfast to Dole | 717.33 mi (1,154.43 km) |
| Belfast to Dombasle-sur-Meurthe | 667.63 mi (1,074.45 km) |
| Belfast to Domerat | 678.89 mi (1,092.58 km) |
| Belfast to Domont | 521.29 mi (838.93 km) |
| Belfast to Douai | 477.87 mi (769.06 km) |
| Belfast to Douarnenez | 454.64 mi (731.67 km) |
| Belfast to Douchy-les-Mines | 491.48 mi (790.96 km) |
| Belfast to Dourdan | 539.76 mi (868.66 km) |
