| Pen-y-Bont ar Ogwr to Collegno | 677.01 mi (1,089.54 km) |
| Pen-y-Bont ar Ogwr to Cologno al Serio | 730.69 mi (1,175.94 km) |
| Pen-y-Bont ar Ogwr to Cologno Monzese | 717.30 mi (1,154.38 km) |
| Pen-y-Bont ar Ogwr to Colorno | 784.92 mi (1,263.21 km) |
| Pen-y-Bont ar Ogwr to Comacchio | 863.30 mi (1,389.35 km) |
| Pen-y-Bont ar Ogwr to Comiso | 1,342.21 mi (2,160.08 km) |
| Pen-y-Bont ar Ogwr to Como | 697.79 mi (1,122.98 km) |
| Pen-y-Bont ar Ogwr to Concordia Sagittaria | 845.87 mi (1,361.30 km) |
| Pen-y-Bont ar Ogwr to Concorezzo | 716.76 mi (1,153.51 km) |
| Pen-y-Bont ar Ogwr to Conegliano | 819.17 mi (1,318.33 km) |
| Pen-y-Bont ar Ogwr to Conselice | 857.95 mi (1,380.74 km) |
| Pen-y-Bont ar Ogwr to Conselve | 828.48 mi (1,333.30 km) |
| Pen-y-Bont ar Ogwr to Conversano | 1,221.15 mi (1,965.25 km) |
| Pen-y-Bont ar Ogwr to Copertino | 1,289.95 mi (2,075.98 km) |
| Pen-y-Bont ar Ogwr to Copparo | 841.27 mi (1,353.90 km) |
