| Pen-y-Bont ar Ogwr to Curtea de Arges | 1,360.70 mi (2,189.83 km) |
| Pen-y-Bont ar Ogwr to Dabuleni | 1,383.02 mi (2,225.76 km) |
| Pen-y-Bont ar Ogwr to Darabani | 1,353.53 mi (2,178.29 km) |
| Pen-y-Bont ar Ogwr to Darmanesti | 1,398.72 mi (2,251.03 km) |
| Pen-y-Bont ar Ogwr to Dej | 1,262.98 mi (2,032.58 km) |
| Pen-y-Bont ar Ogwr to Deva | 1,261.26 mi (2,029.80 km) |
| Pen-y-Bont ar Ogwr to Dolhasca | 1,374.04 mi (2,211.31 km) |
| Pen-y-Bont ar Ogwr to Dorohoi | 1,351.10 mi (2,174.38 km) |
| Pen-y-Bont ar Ogwr to Draganesti-Olt | 1,388.06 mi (2,233.87 km) |
| Pen-y-Bont ar Ogwr to Dragasani | 1,359.24 mi (2,187.48 km) |
| Pen-y-Bont ar Ogwr to Drobeta-Turnu Severin | 1,292.07 mi (2,079.38 km) |
| Pen-y-Bont ar Ogwr to Fagaras | 1,350.32 mi (2,173.13 km) |
| Pen-y-Bont ar Ogwr to Falticeni | 1,359.94 mi (2,188.62 km) |
| Pen-y-Bont ar Ogwr to Fetesti | 1,519.55 mi (2,445.48 km) |
| Pen-y-Bont ar Ogwr to Filiasi | 1,337.10 mi (2,151.86 km) |
