| Isabela to Carmona | 3,896.60 mi (6,270.97 km) |
| Isabela to Cartagena | 4,151.47 mi (6,681.15 km) |
| Isabela to Cartama | 3,950.83 mi (6,358.25 km) |
| Isabela to Cartaya | 3,812.92 mi (6,136.30 km) |
| Isabela to Caspe | 4,200.59 mi (6,760.19 km) |
| Isabela to Cassa de la Selva | 4,350.57 mi (7,001.57 km) |
| Isabela to Castalla | 4,167.31 mi (6,706.64 km) |
| Isabela to Castellbisbal | 4,305.05 mi (6,928.31 km) |
| Isabela to Castelldefels | 4,304.97 mi (6,928.18 km) |
| Isabela to Castello de Ampurias | 4,360.33 mi (7,017.28 km) |
| Isabela to Castellon de la Plana | 4,200.56 mi (6,760.14 km) |
| Isabela to Castilleja de la Cuesta | 3,873.57 mi (6,233.90 km) |
| Isabela to Catarroja | 4,181.07 mi (6,728.79 km) |
| Isabela to Catral | 4,160.46 mi (6,695.61 km) |
| Isabela to Caudete | 4,150.12 mi (6,678.97 km) |
