| Groves to Cocentaina | 5,130.17 mi (8,256.22 km) |
| Groves to Coin | 4,978.11 mi (8,011.50 km) |
| Groves to Colindres | 4,854.23 mi (7,812.13 km) |
| Groves to Collado-Villalba | 4,903.28 mi (7,891.07 km) |
| Groves to Colmenar Viejo | 4,914.22 mi (7,908.67 km) |
| Groves to Colmenarejo | 4,904.87 mi (7,893.63 km) |
| Groves to Conil de la Frontera | 4,921.80 mi (7,920.87 km) |
| Groves to Consuegra | 4,955.45 mi (7,975.03 km) |
| Groves to Corbera de Llobregat | 5,160.68 mi (8,305.31 km) |
| Groves to Cordoba | 4,942.13 mi (7,953.60 km) |
| Groves to Coria del Rio | 4,895.24 mi (7,878.12 km) |
| Groves to Crevillente | 5,127.30 mi (8,251.59 km) |
| Groves to Cuarte de Huerva | 5,023.01 mi (8,083.76 km) |
| Groves to Cubellas | 5,155.12 mi (8,296.36 km) |
| Groves to Cuellar | 4,867.64 mi (7,833.71 km) |
