| Aberystwyth to Dillenburg | 542.77 mi (873.51 km) |
| Aberystwyth to Dillingen | 690.99 mi (1,112.03 km) |
| Aberystwyth to Dillingen | 516.11 mi (830.59 km) |
| Aberystwyth to Dingolfing | 771.67 mi (1,241.89 km) |
| Aberystwyth to Dinkelsbuhl | 669.27 mi (1,077.08 km) |
| Aberystwyth to Dinklage | 512.96 mi (825.53 km) |
| Aberystwyth to Dinslaken | 463.38 mi (745.74 km) |
| Aberystwyth to Dippoldiswalde | 766.01 mi (1,232.78 km) |
| Aberystwyth to Ditzingen | 626.23 mi (1,007.82 km) |
| Aberystwyth to Dobeln | 738.83 mi (1,189.04 km) |
| Aberystwyth to Doberlug-Kirchhain | 750.58 mi (1,207.95 km) |
| Aberystwyth to Donaueschingen | 635.15 mi (1,022.17 km) |
| Aberystwyth to Donauworth | 700.21 mi (1,126.88 km) |
| Aberystwyth to Donzdorf | 661.01 mi (1,063.79 km) |
| Aberystwyth to Dorfen | 768.87 mi (1,237.38 km) |
