| Pen-y-Bont ar Ogwr to Celano | 1,035.15 mi (1,665.91 km) |
| Pen-y-Bont ar Ogwr to Cento | 827.58 mi (1,331.87 km) |
| Pen-y-Bont ar Ogwr to Cepagatti | 1,040.37 mi (1,674.31 km) |
| Pen-y-Bont ar Ogwr to Ceprano | 1,060.13 mi (1,706.11 km) |
| Pen-y-Bont ar Ogwr to Cercola | 1,124.19 mi (1,809.21 km) |
| Pen-y-Bont ar Ogwr to Cerea | 804.80 mi (1,295.20 km) |
| Pen-y-Bont ar Ogwr to Cerese | 793.52 mi (1,277.05 km) |
| Pen-y-Bont ar Ogwr to Cerignola | 1,161.11 mi (1,868.62 km) |
| Pen-y-Bont ar Ogwr to Cermenate | 702.49 mi (1,130.55 km) |
| Pen-y-Bont ar Ogwr to Cernusco sul Naviglio | 719.87 mi (1,158.53 km) |
| Pen-y-Bont ar Ogwr to Cerreto Guidi | 857.24 mi (1,379.59 km) |
| Pen-y-Bont ar Ogwr to Cerro Maggiore | 701.96 mi (1,129.69 km) |
| Pen-y-Bont ar Ogwr to Certaldo | 873.41 mi (1,405.61 km) |
| Pen-y-Bont ar Ogwr to Cerveteri | 987.40 mi (1,589.07 km) |
| Pen-y-Bont ar Ogwr to Cervia | 889.19 mi (1,431.01 km) |
