| Pen-y-Bont ar Ogwr to Dillenburg | 516.63 mi (831.43 km) |
| Pen-y-Bont ar Ogwr to Dillingen | 654.36 mi (1,053.08 km) |
| Pen-y-Bont ar Ogwr to Dillingen | 477.23 mi (768.03 km) |
| Pen-y-Bont ar Ogwr to Dingolfing | 738.46 mi (1,188.43 km) |
| Pen-y-Bont ar Ogwr to Dinkelsbuhl | 635.09 mi (1,022.08 km) |
| Pen-y-Bont ar Ogwr to Dinklage | 503.06 mi (809.59 km) |
| Pen-y-Bont ar Ogwr to Dinslaken | 442.81 mi (712.64 km) |
| Pen-y-Bont ar Ogwr to Dippoldiswalde | 746.08 mi (1,200.70 km) |
| Pen-y-Bont ar Ogwr to Ditzingen | 588.61 mi (947.27 km) |
| Pen-y-Bont ar Ogwr to Dobeln | 719.79 mi (1,158.38 km) |
| Pen-y-Bont ar Ogwr to Doberlug-Kirchhain | 734.78 mi (1,182.52 km) |
| Pen-y-Bont ar Ogwr to Donaueschingen | 591.89 mi (952.56 km) |
| Pen-y-Bont ar Ogwr to Donauworth | 664.80 mi (1,069.89 km) |
| Pen-y-Bont ar Ogwr to Donzdorf | 623.91 mi (1,004.08 km) |
| Pen-y-Bont ar Ogwr to Dorfen | 733.41 mi (1,180.31 km) |
