| Acton to Cocentaina | 882.26 mi (1,419.85 km) |
| Acton to Coin | 1,049.11 mi (1,688.38 km) |
| Acton to Colindres | 579.98 mi (933.39 km) |
| Acton to Collado-Villalba | 772.53 mi (1,243.27 km) |
| Acton to Colmenar Viejo | 768.22 mi (1,236.33 km) |
| Acton to Colmenarejo | 777.53 mi (1,251.31 km) |
| Acton to Conil de la Frontera | 1,091.61 mi (1,756.78 km) |
| Acton to Consuegra | 847.98 mi (1,364.69 km) |
| Acton to Corbera de Llobregat | 705.35 mi (1,135.15 km) |
| Acton to Cordoba | 966.88 mi (1,556.04 km) |
| Acton to Coria del Rio | 1,022.96 mi (1,646.29 km) |
| Acton to Crevillente | 916.89 mi (1,475.59 km) |
| Acton to Cuarte de Huerva | 686.79 mi (1,105.28 km) |
| Acton to Cubellas | 717.84 mi (1,155.26 km) |
| Acton to Cuellar | 724.44 mi (1,165.87 km) |
