| Idil to Carmona | 2,579.85 mi (4,151.87 km) |
| Idil to Cartagena | 2,330.27 mi (3,750.20 km) |
| Idil to Cartama | 2,540.10 mi (4,087.90 km) |
| Idil to Cartaya | 2,663.55 mi (4,286.56 km) |
| Idil to Caspe | 2,236.40 mi (3,599.14 km) |
| Idil to Cassa de la Selva | 2,082.29 mi (3,351.12 km) |
| Idil to Castalla | 2,299.15 mi (3,700.12 km) |
| Idil to Castellbisbal | 2,130.65 mi (3,428.95 km) |
| Idil to Castelldefels | 2,132.32 mi (3,431.63 km) |
| Idil to Castello de Ampurias | 2,070.21 mi (3,331.68 km) |
| Idil to Castellon de la Plana | 2,248.54 mi (3,618.68 km) |
| Idil to Castilleja de la Cuesta | 2,603.43 mi (4,189.82 km) |
| Idil to Catarroja | 2,274.68 mi (3,660.75 km) |
| Idil to Catral | 2,312.44 mi (3,721.51 km) |
| Idil to Caudete | 2,314.46 mi (3,724.76 km) |
