| Donegal to Dillenburg | 735.85 mi (1,184.23 km) |
| Donegal to Dillingen | 897.42 mi (1,444.25 km) |
| Donegal to Dillingen | 727.92 mi (1,171.48 km) |
| Donegal to Dingolfing | 971.90 mi (1,564.12 km) |
| Donegal to Dinkelsbuhl | 872.35 mi (1,403.92 km) |
| Donegal to Dinklage | 677.44 mi (1,090.23 km) |
| Donegal to Dinslaken | 650.05 mi (1,046.15 km) |
| Donegal to Dippoldiswalde | 942.28 mi (1,516.45 km) |
| Donegal to Ditzingen | 834.86 mi (1,343.58 km) |
| Donegal to Dobeln | 913.92 mi (1,470.81 km) |
| Donegal to Doberlug-Kirchhain | 918.70 mi (1,478.50 km) |
| Donegal to Donaueschingen | 850.79 mi (1,369.21 km) |
| Donegal to Donauworth | 904.73 mi (1,456.03 km) |
| Donegal to Donzdorf | 868.48 mi (1,397.68 km) |
| Donegal to Dorfen | 972.67 mi (1,565.36 km) |
