| Niederkassel to Derecik | 2,053.59 mi (3,304.94 km) |
| Niederkassel to Dereli | 1,649.50 mi (2,654.62 km) |
| Niederkassel to Derik | 1,870.56 mi (3,010.38 km) |
| Niederkassel to Derinkuyu | 1,596.90 mi (2,569.96 km) |
| Niederkassel to Develi | 1,627.04 mi (2,618.46 km) |
| Niederkassel to Dicle | 1,817.76 mi (2,925.40 km) |
| Niederkassel to Digor | 1,877.42 mi (3,021.42 km) |
| Niederkassel to Dikili | 1,258.41 mi (2,025.22 km) |
| Niederkassel to Divrigi | 1,692.75 mi (2,724.21 km) |
| Niederkassel to Diyadin | 1,922.35 mi (3,093.72 km) |
| Niederkassel to Diyarbakir | 1,845.12 mi (2,969.44 km) |
| Niederkassel to Doganhisar | 1,485.90 mi (2,391.33 km) |
| Niederkassel to Dogansehir | 1,738.40 mi (2,797.69 km) |
| Niederkassel to Dogubayazit | 1,939.55 mi (3,121.40 km) |
| Niederkassel to Domanic | 1,326.78 mi (2,135.25 km) |
