| Hwlffordd to Cadiz | 1,056.71 mi (1,700.61 km) |
| Hwlffordd to Calafell | 794.88 mi (1,279.23 km) |
| Hwlffordd to Calahorra | 671.29 mi (1,080.33 km) |
| Hwlffordd to Calasparra | 950.81 mi (1,530.18 km) |
| Hwlffordd to Calatayud | 739.00 mi (1,189.31 km) |
| Hwlffordd to Caldas de Montbuy | 778.72 mi (1,253.23 km) |
| Hwlffordd to Caldas de Reyes | 658.16 mi (1,059.21 km) |
| Hwlffordd to Calella | 790.09 mi (1,271.52 km) |
| Hwlffordd to Callosa de Segura | 965.55 mi (1,553.90 km) |
| Hwlffordd to Calpe | 940.53 mi (1,513.64 km) |
| Hwlffordd to Calvia | 917.94 mi (1,477.29 km) |
| Hwlffordd to Camas | 996.15 mi (1,603.15 km) |
| Hwlffordd to Cambados | 667.05 mi (1,073.51 km) |
| Hwlffordd to Cambre | 608.84 mi (979.83 km) |
| Hwlffordd to Cambrils | 794.49 mi (1,278.60 km) |
