| Portales to Carmona | 5,203.97 mi (8,374.98 km) |
| Portales to Cartagena | 5,412.12 mi (8,709.96 km) |
| Portales to Cartama | 5,278.59 mi (8,495.07 km) |
| Portales to Cartaya | 5,139.78 mi (8,271.68 km) |
| Portales to Caspe | 5,312.37 mi (8,549.43 km) |
| Portales to Cassa de la Selva | 5,409.48 mi (8,705.71 km) |
| Portales to Castalla | 5,387.18 mi (8,669.82 km) |
| Portales to Castellbisbal | 5,388.61 mi (8,672.14 km) |
| Portales to Castelldefels | 5,396.25 mi (8,684.42 km) |
| Portales to Castello de Ampurias | 5,402.90 mi (8,695.13 km) |
| Portales to Castellon de la Plana | 5,361.14 mi (8,627.92 km) |
| Portales to Castilleja de la Cuesta | 5,187.62 mi (8,348.67 km) |
| Portales to Catarroja | 5,367.53 mi (8,638.20 km) |
| Portales to Catral | 5,398.24 mi (8,687.63 km) |
| Portales to Caudete | 5,368.84 mi (8,640.31 km) |
