| Pen-y-Bont ar Ogwr to Deville-les-Rouen | 247.33 mi (398.04 km) |
| Pen-y-Bont ar Ogwr to Dieppe | 231.37 mi (372.36 km) |
| Pen-y-Bont ar Ogwr to Digne-les-Bains | 684.32 mi (1,101.31 km) |
| Pen-y-Bont ar Ogwr to Dijon | 482.30 mi (776.19 km) |
| Pen-y-Bont ar Ogwr to Dinan | 221.49 mi (356.46 km) |
| Pen-y-Bont ar Ogwr to Dinard | 209.69 mi (337.46 km) |
| Pen-y-Bont ar Ogwr to Divonne-les-Bains | 566.07 mi (911.00 km) |
| Pen-y-Bont ar Ogwr to Dole | 509.27 mi (819.59 km) |
| Pen-y-Bont ar Ogwr to Dombasle-sur-Meurthe | 482.74 mi (776.90 km) |
| Pen-y-Bont ar Ogwr to Domerat | 450.72 mi (725.36 km) |
| Pen-y-Bont ar Ogwr to Domont | 311.89 mi (501.94 km) |
| Pen-y-Bont ar Ogwr to Douai | 300.21 mi (483.14 km) |
| Pen-y-Bont ar Ogwr to Douarnenez | 238.32 mi (383.54 km) |
| Pen-y-Bont ar Ogwr to Douchy-les-Mines | 314.85 mi (506.70 km) |
| Pen-y-Bont ar Ogwr to Dourdan | 322.20 mi (518.54 km) |
