| Unye to Carmona | 2,285.33 mi (3,677.88 km) |
| Unye to Cartagena | 2,041.98 mi (3,286.25 km) |
| Unye to Cartama | 2,251.78 mi (3,623.89 km) |
| Unye to Cartaya | 2,367.84 mi (3,810.67 km) |
| Unye to Caspe | 1,925.28 mi (3,098.44 km) |
| Unye to Cassa de la Selva | 1,769.04 mi (2,847.00 km) |
| Unye to Castalla | 2,004.50 mi (3,225.94 km) |
| Unye to Castellbisbal | 1,819.52 mi (2,928.23 km) |
| Unye to Castelldefels | 1,822.47 mi (2,932.98 km) |
| Unye to Castello de Ampurias | 1,754.68 mi (2,823.88 km) |
| Unye to Castellon de la Plana | 1,945.41 mi (3,130.84 km) |
| Unye to Castilleja de la Cuesta | 2,308.78 mi (3,715.62 km) |
| Unye to Catarroja | 1,974.97 mi (3,178.41 km) |
| Unye to Catral | 2,020.57 mi (3,251.80 km) |
| Unye to Caudete | 2,018.66 mi (3,248.73 km) |
