| Pen-y-Bont ar Ogwr to Cortona | 920.72 mi (1,481.76 km) |
| Pen-y-Bont ar Ogwr to Cosenza | 1,271.85 mi (2,046.84 km) |
| Pen-y-Bont ar Ogwr to Cossato | 674.81 mi (1,086.00 km) |
| Pen-y-Bont ar Ogwr to Costa Volpino | 735.35 mi (1,183.44 km) |
| Pen-y-Bont ar Ogwr to Creazzo | 801.17 mi (1,289.35 km) |
| Pen-y-Bont ar Ogwr to Crema | 739.55 mi (1,190.19 km) |
| Pen-y-Bont ar Ogwr to Cremona | 762.95 mi (1,227.85 km) |
| Pen-y-Bont ar Ogwr to Crevalcore | 823.30 mi (1,324.97 km) |
| Pen-y-Bont ar Ogwr to Crispiano | 1,243.12 mi (2,000.60 km) |
| Pen-y-Bont ar Ogwr to Crosia | 1,276.90 mi (2,054.96 km) |
| Pen-y-Bont ar Ogwr to Crotone | 1,314.12 mi (2,114.87 km) |
| Pen-y-Bont ar Ogwr to Cuneo | 710.97 mi (1,144.19 km) |
| Pen-y-Bont ar Ogwr to Cuorgne | 664.65 mi (1,069.65 km) |
| Pen-y-Bont ar Ogwr to Cusano Milanino | 712.82 mi (1,147.18 km) |
| Pen-y-Bont ar Ogwr to Cutro | 1,311.85 mi (2,111.22 km) |
