| Oleggio to Cartagena | 742.11 mi (1,194.31 km) |
| Oleggio to Cartama | 921.53 mi (1,483.06 km) |
| Oleggio to Cartaya | 996.34 mi (1,603.46 km) |
| Oleggio to Caspe | 528.87 mi (851.14 km) |
| Oleggio to Cassa de la Selva | 385.00 mi (619.60 km) |
| Oleggio to Castalla | 678.57 mi (1,092.06 km) |
| Oleggio to Castellbisbal | 438.07 mi (705.00 km) |
| Oleggio to Castelldefels | 447.62 mi (720.37 km) |
| Oleggio to Castello de Ampurias | 360.15 mi (579.61 km) |
| Oleggio to Castellon de la Plana | 585.64 mi (942.49 km) |
| Oleggio to Castilleja de la Cuesta | 946.09 mi (1,522.58 km) |
| Oleggio to Catarroja | 627.98 mi (1,010.64 km) |
| Oleggio to Catral | 706.17 mi (1,136.47 km) |
| Oleggio to Caudete | 684.55 mi (1,101.68 km) |
| Oleggio to Cehegin | 745.40 mi (1,199.60 km) |
