| Pen-y-Bont ar Ogwr to Cutrofiano | 1,302.86 mi (2,096.75 km) |
| Pen-y-Bont ar Ogwr to Dalmine | 724.04 mi (1,165.23 km) |
| Pen-y-Bont ar Ogwr to Deruta | 950.30 mi (1,529.36 km) |
| Pen-y-Bont ar Ogwr to Desenzano del Garda | 767.28 mi (1,234.81 km) |
| Pen-y-Bont ar Ogwr to Desio | 711.12 mi (1,144.44 km) |
| Pen-y-Bont ar Ogwr to Dolianova | 1,038.14 mi (1,670.73 km) |
| Pen-y-Bont ar Ogwr to Dolo | 828.64 mi (1,333.57 km) |
| Pen-y-Bont ar Ogwr to Domodossola | 654.81 mi (1,053.81 km) |
| Pen-y-Bont ar Ogwr to Dorgali | 996.89 mi (1,604.33 km) |
| Pen-y-Bont ar Ogwr to Dueville | 799.69 mi (1,286.98 km) |
| Pen-y-Bont ar Ogwr to Eboli | 1,162.11 mi (1,870.23 km) |
| Pen-y-Bont ar Ogwr to Elmas | 1,041.24 mi (1,675.71 km) |
| Pen-y-Bont ar Ogwr to Empoli | 862.03 mi (1,387.31 km) |
| Pen-y-Bont ar Ogwr to Enna | 1,297.47 mi (2,088.07 km) |
| Pen-y-Bont ar Ogwr to Eraclea | 846.37 mi (1,362.10 km) |
