| Ostend to Dieppe | 121.05 mi (194.81 km) |
| Ostend to Digne-les-Bains | 516.32 mi (830.93 km) |
| Ostend to Dijon | 286.13 mi (460.49 km) |
| Ostend to Dinan | 292.58 mi (470.87 km) |
| Ostend to Dinard | 284.83 mi (458.39 km) |
| Ostend to Divonne-les-Bains | 366.94 mi (590.53 km) |
| Ostend to Dole | 308.22 mi (496.03 km) |
| Ostend to Dombasle-sur-Meurthe | 235.69 mi (379.30 km) |
| Ostend to Domerat | 336.63 mi (541.75 km) |
| Ostend to Domont | 154.14 mi (248.06 km) |
| Ostend to Douai | 59.45 mi (95.67 km) |
| Ostend to Douarnenez | 389.62 mi (627.03 km) |
| Ostend to Douchy-les-Mines | 67.14 mi (108.06 km) |
| Ostend to Dourdan | 190.67 mi (306.86 km) |
| Ostend to Draguignan | 556.17 mi (895.07 km) |
