| Penarth to Carmona | 972.24 mi (1,564.68 km) |
| Penarth to Cartagena | 961.51 mi (1,547.40 km) |
| Penarth to Cartama | 1,019.48 mi (1,640.70 km) |
| Penarth to Cartaya | 996.64 mi (1,603.93 km) |
| Penarth to Caspe | 720.06 mi (1,158.83 km) |
| Penarth to Cassa de la Selva | 718.21 mi (1,155.84 km) |
| Penarth to Castalla | 894.92 mi (1,440.23 km) |
| Penarth to Castellbisbal | 729.67 mi (1,174.28 km) |
| Penarth to Castelldefels | 742.53 mi (1,194.99 km) |
| Penarth to Castello de Ampurias | 698.44 mi (1,124.03 km) |
| Penarth to Castellon de la Plana | 805.06 mi (1,295.62 km) |
| Penarth to Castilleja de la Cuesta | 980.69 mi (1,578.26 km) |
| Penarth to Catarroja | 841.59 mi (1,354.41 km) |
| Penarth to Catral | 924.08 mi (1,487.17 km) |
| Penarth to Caudete | 885.57 mi (1,425.19 km) |
