| Swallownest to Carmona | 1,117.46 mi (1,798.38 km) |
| Swallownest to Cartagena | 1,089.19 mi (1,752.89 km) |
| Swallownest to Cartama | 1,161.41 mi (1,869.11 km) |
| Swallownest to Cartaya | 1,145.47 mi (1,843.46 km) |
| Swallownest to Caspe | 840.18 mi (1,352.14 km) |
| Swallownest to Cassa de la Selva | 816.10 mi (1,313.39 km) |
| Swallownest to Castalla | 1,020.68 mi (1,642.62 km) |
| Swallownest to Castellbisbal | 835.41 mi (1,344.46 km) |
| Swallownest to Castelldefels | 848.77 mi (1,365.96 km) |
| Swallownest to Castello de Ampurias | 793.53 mi (1,277.06 km) |
| Swallownest to Castellon de la Plana | 926.40 mi (1,490.90 km) |
| Swallownest to Castilleja de la Cuesta | 1,126.98 mi (1,813.70 km) |
| Swallownest to Catarroja | 965.48 mi (1,553.80 km) |
| Swallownest to Catral | 1,050.71 mi (1,690.95 km) |
| Swallownest to Caudete | 1,012.89 mi (1,630.09 km) |
