| Belfast to Dillenburg | 651.14 mi (1,047.92 km) |
| Belfast to Dillingen | 815.14 mi (1,311.83 km) |
| Belfast to Dillingen | 648.06 mi (1,042.95 km) |
| Belfast to Dingolfing | 887.91 mi (1,428.96 km) |
| Belfast to Dinkelsbuhl | 789.25 mi (1,270.18 km) |
| Belfast to Dinklage | 590.32 mi (950.03 km) |
| Belfast to Dinslaken | 564.72 mi (908.83 km) |
| Belfast to Dippoldiswalde | 855.40 mi (1,376.64 km) |
| Belfast to Ditzingen | 753.44 mi (1,212.54 km) |
| Belfast to Dobeln | 827.00 mi (1,330.93 km) |
| Belfast to Doberlug-Kirchhain | 831.51 mi (1,338.18 km) |
| Belfast to Donaueschingen | 772.12 mi (1,242.61 km) |
| Belfast to Donauworth | 821.91 mi (1,322.73 km) |
| Belfast to Donzdorf | 786.59 mi (1,265.89 km) |
| Belfast to Dorfen | 889.50 mi (1,431.52 km) |
