| River Falls to Carmona | 4,332.30 mi (6,972.16 km) |
| River Falls to Cartagena | 4,527.37 mi (7,286.10 km) |
| River Falls to Cartama | 4,407.92 mi (7,093.85 km) |
| River Falls to Cartaya | 4,273.38 mi (6,877.34 km) |
| River Falls to Caspe | 4,411.09 mi (7,098.97 km) |
| River Falls to Cassa de la Selva | 4,500.67 mi (7,243.13 km) |
| River Falls to Castalla | 4,497.44 mi (7,237.94 km) |
| River Falls to Castellbisbal | 4,482.69 mi (7,214.19 km) |
| River Falls to Castelldefels | 4,490.97 mi (7,227.52 km) |
| River Falls to Castello de Ampurias | 4,492.65 mi (7,230.22 km) |
| River Falls to Castellon de la Plana | 4,464.47 mi (7,184.87 km) |
| River Falls to Castilleja de la Cuesta | 4,317.55 mi (6,948.43 km) |
| River Falls to Catarroja | 4,473.92 mi (7,200.08 km) |
| River Falls to Catral | 4,510.66 mi (7,259.21 km) |
| River Falls to Caudete | 4,479.42 mi (7,208.93 km) |
