| Ostend to Derecik | 2,234.44 mi (3,595.99 km) |
| Ostend to Dereli | 1,830.38 mi (2,945.71 km) |
| Ostend to Derik | 2,050.57 mi (3,300.07 km) |
| Ostend to Derinkuyu | 1,774.76 mi (2,856.20 km) |
| Ostend to Develi | 1,805.43 mi (2,905.56 km) |
| Ostend to Dicle | 1,998.18 mi (3,215.76 km) |
| Ostend to Digor | 2,058.29 mi (3,312.49 km) |
| Ostend to Dikili | 1,427.88 mi (2,297.94 km) |
| Ostend to Divrigi | 1,873.07 mi (3,014.42 km) |
| Ostend to Diyadin | 2,103.32 mi (3,384.96 km) |
| Ostend to Diyarbakir | 2,025.39 mi (3,259.55 km) |
| Ostend to Doganhisar | 1,660.62 mi (2,672.52 km) |
| Ostend to Dogansehir | 1,917.87 mi (3,086.52 km) |
| Ostend to Dogubayazit | 2,120.49 mi (3,412.60 km) |
| Ostend to Domanic | 1,501.83 mi (2,416.96 km) |
