| Middle River to Cehegin | 3,901.21 mi (6,278.40 km) |
| Middle River to Cervello | 3,978.82 mi (6,403.30 km) |
| Middle River to Cervera | 3,938.68 mi (6,338.70 km) |
| Middle River to Ceuti | 3,927.24 mi (6,320.28 km) |
| Middle River to Cheste | 3,912.46 mi (6,296.49 km) |
| Middle River to Chiclana de la Frontera | 3,737.82 mi (6,015.45 km) |
| Middle River to Chipiona | 3,714.14 mi (5,977.33 km) |
| Middle River to Chiva | 3,911.02 mi (6,294.18 km) |
| Middle River to Churriana de la Vega | 3,839.57 mi (6,179.19 km) |
| Middle River to Ciempozuelos | 3,751.66 mi (6,037.71 km) |
| Middle River to Cieza | 3,915.14 mi (6,300.81 km) |
| Middle River to Cisterniga | 3,660.11 mi (5,890.38 km) |
| Middle River to Ciudad de Melilla | 3,933.21 mi (6,329.89 km) |
| Middle River to Ciudad Real | 3,771.38 mi (6,069.45 km) |
| Middle River to Ciudad-Rodrigo | 3,598.78 mi (5,791.67 km) |
