| Staines-upon-Thames to Cocentaina | 876.73 mi (1,410.96 km) |
| Staines-upon-Thames to Coin | 1,041.36 mi (1,675.90 km) |
| Staines-upon-Thames to Colindres | 571.93 mi (920.43 km) |
| Staines-upon-Thames to Collado-Villalba | 764.65 mi (1,230.58 km) |
| Staines-upon-Thames to Colmenar Viejo | 760.47 mi (1,223.86 km) |
| Staines-upon-Thames to Colmenarejo | 769.64 mi (1,238.62 km) |
| Staines-upon-Thames to Conil de la Frontera | 1,083.32 mi (1,743.43 km) |
| Staines-upon-Thames to Consuegra | 840.49 mi (1,352.63 km) |
| Staines-upon-Thames to Corbera de Llobregat | 701.71 mi (1,129.30 km) |
| Staines-upon-Thames to Cordoba | 958.97 mi (1,543.31 km) |
| Staines-upon-Thames to Coria del Rio | 1,014.54 mi (1,632.75 km) |
| Staines-upon-Thames to Crevillente | 911.14 mi (1,466.33 km) |
| Staines-upon-Thames to Cuarte de Huerva | 680.89 mi (1,095.78 km) |
| Staines-upon-Thames to Cubellas | 713.97 mi (1,149.03 km) |
| Staines-upon-Thames to Cuellar | 716.24 mi (1,152.67 km) |
