| Herstal to Derecik | 2,111.26 mi (3,397.75 km) |
| Herstal to Dereli | 1,707.30 mi (2,747.63 km) |
| Herstal to Derik | 1,926.59 mi (3,100.54 km) |
| Herstal to Derinkuyu | 1,650.47 mi (2,656.18 km) |
| Herstal to Develi | 1,681.15 mi (2,705.55 km) |
| Herstal to Dicle | 1,874.46 mi (3,016.65 km) |
| Herstal to Digor | 1,936.75 mi (3,116.89 km) |
| Herstal to Dikili | 1,305.50 mi (2,100.99 km) |
| Herstal to Divrigi | 1,749.29 mi (2,815.20 km) |
| Herstal to Diyadin | 1,981.28 mi (3,188.56 km) |
| Herstal to Diyarbakir | 1,901.55 mi (3,060.25 km) |
| Herstal to Doganhisar | 1,536.78 mi (2,473.21 km) |
| Herstal to Dogansehir | 1,793.72 mi (2,886.71 km) |
| Herstal to Dogubayazit | 1,998.61 mi (3,216.45 km) |
| Herstal to Domanic | 1,377.90 mi (2,217.51 km) |
