| Niksar to Dillenburg | 1,539.19 mi (2,477.08 km) |
| Niksar to Dillingen | 1,406.96 mi (2,264.29 km) |
| Niksar to Dillingen | 1,583.89 mi (2,549.02 km) |
| Niksar to Dingolfing | 1,318.15 mi (2,121.35 km) |
| Niksar to Dinkelsbuhl | 1,421.73 mi (2,288.05 km) |
| Niksar to Dinklage | 1,586.72 mi (2,553.57 km) |
| Niksar to Dinslaken | 1,619.61 mi (2,606.52 km) |
| Niksar to Dippoldiswalde | 1,321.65 mi (2,126.99 km) |
| Niksar to Ditzingen | 1,473.19 mi (2,370.87 km) |
| Niksar to Dobeln | 1,349.96 mi (2,172.55 km) |
| Niksar to Doberlug-Kirchhain | 1,346.25 mi (2,166.58 km) |
| Niksar to Donaueschingen | 1,487.26 mi (2,393.51 km) |
| Niksar to Donauworth | 1,394.32 mi (2,243.94 km) |
| Niksar to Donzdorf | 1,437.70 mi (2,313.75 km) |
| Niksar to Dorfen | 1,327.06 mi (2,135.70 km) |
