| Palm River-Clair Mel to Cocentaina | 4,633.56 mi (7,457.00 km) |
| Palm River-Clair Mel to Coin | 4,452.24 mi (7,165.18 km) |
| Palm River-Clair Mel to Colindres | 4,392.70 mi (7,069.36 km) |
| Palm River-Clair Mel to Collado-Villalba | 4,414.23 mi (7,104.02 km) |
| Palm River-Clair Mel to Colmenar Viejo | 4,426.01 mi (7,122.97 km) |
| Palm River-Clair Mel to Colmenarejo | 4,415.13 mi (7,105.47 km) |
| Palm River-Clair Mel to Conil de la Frontera | 4,389.21 mi (7,063.76 km) |
| Palm River-Clair Mel to Consuegra | 4,456.78 mi (7,172.49 km) |
| Palm River-Clair Mel to Corbera de Llobregat | 4,694.60 mi (7,555.23 km) |
| Palm River-Clair Mel to Cordoba | 4,426.59 mi (7,123.91 km) |
| Palm River-Clair Mel to Coria del Rio | 4,371.35 mi (7,035.01 km) |
| Palm River-Clair Mel to Crevillente | 4,625.36 mi (7,443.80 km) |
| Palm River-Clair Mel to Cuarte de Huerva | 4,550.65 mi (7,323.56 km) |
| Palm River-Clair Mel to Cubellas | 4,686.42 mi (7,542.06 km) |
| Palm River-Clair Mel to Cuellar | 4,384.97 mi (7,056.93 km) |
