| Penarth to Cadiz | 1,040.57 mi (1,674.64 km) |
| Penarth to Calafell | 741.70 mi (1,193.65 km) |
| Penarth to Calahorra | 633.35 mi (1,019.28 km) |
| Penarth to Calasparra | 914.78 mi (1,472.20 km) |
| Penarth to Calatayud | 700.26 mi (1,126.96 km) |
| Penarth to Caldas de Montbuy | 722.42 mi (1,162.61 km) |
| Penarth to Caldas de Reyes | 661.61 mi (1,064.75 km) |
| Penarth to Calella | 731.97 mi (1,178.00 km) |
| Penarth to Callosa de Segura | 926.17 mi (1,490.53 km) |
| Penarth to Calpe | 896.96 mi (1,443.52 km) |
| Penarth to Calvia | 863.95 mi (1,390.39 km) |
| Penarth to Camas | 979.29 mi (1,576.01 km) |
| Penarth to Cambados | 671.19 mi (1,080.18 km) |
| Penarth to Cambre | 612.20 mi (985.24 km) |
| Penarth to Cambrils | 743.62 mi (1,196.74 km) |
