| Chelmsford to Cocentaina | 898.27 mi (1,445.63 km) |
| Chelmsford to Coin | 1,071.83 mi (1,724.94 km) |
| Chelmsford to Colindres | 603.97 mi (972.00 km) |
| Chelmsford to Collado-Villalba | 795.81 mi (1,280.73 km) |
| Chelmsford to Colmenar Viejo | 791.08 mi (1,273.12 km) |
| Chelmsford to Colmenarejo | 800.78 mi (1,288.73 km) |
| Chelmsford to Conil de la Frontera | 1,115.97 mi (1,795.99 km) |
| Chelmsford to Consuegra | 870.00 mi (1,400.13 km) |
| Chelmsford to Corbera de Llobregat | 715.85 mi (1,152.06 km) |
| Chelmsford to Cordoba | 990.11 mi (1,593.42 km) |
| Chelmsford to Coria del Rio | 1,047.70 mi (1,686.11 km) |
| Chelmsford to Crevillente | 933.56 mi (1,502.42 km) |
| Chelmsford to Cuarte de Huerva | 704.16 mi (1,133.23 km) |
| Chelmsford to Cubellas | 729.05 mi (1,173.29 km) |
| Chelmsford to Cuellar | 748.70 mi (1,204.92 km) |
