| Hwlffordd to Carmona | 990.86 mi (1,594.64 km) |
| Hwlffordd to Cartagena | 1,000.09 mi (1,609.49 km) |
| Hwlffordd to Cartama | 1,042.65 mi (1,677.99 km) |
| Hwlffordd to Cartaya | 1,008.62 mi (1,623.21 km) |
| Hwlffordd to Caspe | 766.44 mi (1,233.46 km) |
| Hwlffordd to Cassa de la Selva | 777.62 mi (1,251.46 km) |
| Hwlffordd to Castalla | 935.54 mi (1,505.60 km) |
| Hwlffordd to Castellbisbal | 784.97 mi (1,263.28 km) |
| Hwlffordd to Castelldefels | 797.45 mi (1,283.37 km) |
| Hwlffordd to Castello de Ampurias | 759.33 mi (1,222.02 km) |
| Hwlffordd to Castellon de la Plana | 849.78 mi (1,367.59 km) |
| Hwlffordd to Castilleja de la Cuesta | 997.48 mi (1,605.30 km) |
| Hwlffordd to Catarroja | 884.09 mi (1,422.80 km) |
| Hwlffordd to Catral | 963.79 mi (1,551.08 km) |
| Hwlffordd to Caudete | 924.95 mi (1,488.57 km) |
