| Mastic to Carmona | 3,519.22 mi (5,663.64 km) |
| Mastic to Cartagena | 3,742.69 mi (6,023.28 km) |
| Mastic to Cartama | 3,591.94 mi (5,780.67 km) |
| Mastic to Cartaya | 3,449.79 mi (5,551.89 km) |
| Mastic to Caspe | 3,676.13 mi (5,916.16 km) |
| Mastic to Cassa de la Selva | 3,791.65 mi (6,102.06 km) |
| Mastic to Castalla | 3,726.25 mi (5,996.81 km) |
| Mastic to Castellbisbal | 3,762.93 mi (6,055.85 km) |
| Mastic to Castelldefels | 3,768.68 mi (6,065.10 km) |
| Mastic to Castello de Ampurias | 3,789.62 mi (6,098.81 km) |
| Mastic to Castellon de la Plana | 3,713.82 mi (5,976.82 km) |
| Mastic to Castilleja de la Cuesta | 3,501.19 mi (5,634.62 km) |
| Mastic to Catarroja | 3,713.97 mi (5,977.06 km) |
| Mastic to Catral | 3,733.52 mi (6,008.52 km) |
| Mastic to Caudete | 3,707.61 mi (5,966.82 km) |
