| River Falls to Cadiz | 4,342.12 mi (6,987.96 km) |
| River Falls to Calafell | 4,477.89 mi (7,206.47 km) |
| River Falls to Calahorra | 4,287.18 mi (6,899.55 km) |
| River Falls to Calasparra | 4,469.59 mi (7,193.11 km) |
| River Falls to Calatayud | 4,340.33 mi (6,985.08 km) |
| River Falls to Caldas de Montbuy | 4,483.42 mi (7,215.36 km) |
| River Falls to Caldas de Reyes | 3,997.01 mi (6,432.57 km) |
| River Falls to Calella | 4,504.09 mi (7,248.63 km) |
| River Falls to Callosa de Segura | 4,509.09 mi (7,256.68 km) |
| River Falls to Calpe | 4,525.44 mi (7,283.00 km) |
| River Falls to Calvia | 4,587.39 mi (7,382.69 km) |
| River Falls to Camas | 4,317.51 mi (6,948.36 km) |
| River Falls to Cambados | 3,994.09 mi (6,427.87 km) |
| River Falls to Cambre | 3,983.93 mi (6,411.52 km) |
| River Falls to Cambrils | 4,462.76 mi (7,182.12 km) |
