| Duffel to Derecik | 2,164.79 mi (3,483.89 km) |
| Duffel to Dereli | 1,760.71 mi (2,833.60 km) |
| Duffel to Derik | 1,981.29 mi (3,188.58 km) |
| Duffel to Derinkuyu | 1,706.34 mi (2,746.08 km) |
| Duffel to Develi | 1,736.80 mi (2,795.11 km) |
| Duffel to Dicle | 1,928.72 mi (3,103.98 km) |
| Duffel to Digor | 1,988.55 mi (3,200.26 km) |
| Duffel to Dikili | 1,362.59 mi (2,192.88 km) |
| Duffel to Divrigi | 1,803.66 mi (2,902.71 km) |
| Duffel to Diyadin | 2,033.57 mi (3,272.71 km) |
| Duffel to Diyarbakir | 1,956.00 mi (3,147.88 km) |
| Duffel to Doganhisar | 1,593.40 mi (2,564.34 km) |
| Duffel to Dogansehir | 1,848.81 mi (2,975.38 km) |
| Duffel to Dogubayazit | 2,050.74 mi (3,300.35 km) |
| Duffel to Domanic | 1,434.46 mi (2,308.55 km) |
