| Pen-y-Bont ar Ogwr to Carmona | 975.27 mi (1,569.55 km) |
| Pen-y-Bont ar Ogwr to Cartagena | 969.20 mi (1,559.77 km) |
| Pen-y-Bont ar Ogwr to Cartama | 1,023.59 mi (1,647.32 km) |
| Pen-y-Bont ar Ogwr to Cartaya | 998.16 mi (1,606.38 km) |
| Pen-y-Bont ar Ogwr to Caspe | 729.47 mi (1,173.97 km) |
| Pen-y-Bont ar Ogwr to Cassa de la Selva | 730.81 mi (1,176.12 km) |
| Pen-y-Bont ar Ogwr to Castalla | 903.06 mi (1,453.33 km) |
| Pen-y-Bont ar Ogwr to Castellbisbal | 741.26 mi (1,192.94 km) |
| Pen-y-Bont ar Ogwr to Castelldefels | 754.04 mi (1,213.51 km) |
| Pen-y-Bont ar Ogwr to Castello de Ampurias | 711.40 mi (1,144.88 km) |
| Pen-y-Bont ar Ogwr to Castellon de la Plana | 814.13 mi (1,310.21 km) |
| Pen-y-Bont ar Ogwr to Castilleja de la Cuesta | 983.30 mi (1,582.47 km) |
| Pen-y-Bont ar Ogwr to Catarroja | 850.15 mi (1,368.18 km) |
| Pen-y-Bont ar Ogwr to Catral | 932.02 mi (1,499.95 km) |
| Pen-y-Bont ar Ogwr to Caudete | 893.41 mi (1,437.81 km) |
