| South River to Carmona | 3,603.24 mi (5,798.85 km) |
| South River to Cartagena | 3,826.50 mi (6,158.15 km) |
| South River to Cartama | 3,675.98 mi (5,915.92 km) |
| South River to Cartaya | 3,533.85 mi (5,687.18 km) |
| South River to Caspe | 3,759.14 mi (6,049.75 km) |
| South River to Cassa de la Selva | 3,874.17 mi (6,234.87 km) |
| South River to Castalla | 3,809.88 mi (6,131.41 km) |
| South River to Castellbisbal | 3,845.67 mi (6,189.01 km) |
| South River to Castelldefels | 3,851.47 mi (6,198.35 km) |
| South River to Castello de Ampurias | 3,872.01 mi (6,231.39 km) |
| South River to Castellon de la Plana | 3,797.14 mi (6,110.90 km) |
| South River to Castilleja de la Cuesta | 3,585.22 mi (5,769.86 km) |
| South River to Catarroja | 3,797.44 mi (6,111.38 km) |
| South River to Catral | 3,817.23 mi (6,143.24 km) |
| South River to Caudete | 3,791.25 mi (6,101.42 km) |
