| Guadarrama to Costessey | 865.00 mi (1,392.09 km) |
| Guadarrama to Cottingham | 921.72 mi (1,483.37 km) |
| Guadarrama to Coulsdon | 759.47 mi (1,222.25 km) |
| Guadarrama to Coventry | 819.90 mi (1,319.50 km) |
| Guadarrama to Cowdenbeath | 1,067.13 mi (1,717.38 km) |
| Guadarrama to Cowes | 709.65 mi (1,142.07 km) |
| Guadarrama to Cowley | 769.43 mi (1,238.28 km) |
| Guadarrama to Cowley | 776.28 mi (1,249.31 km) |
| Guadarrama to Cramlington | 1,002.15 mi (1,612.81 km) |
| Guadarrama to Cranleigh | 743.27 mi (1,196.17 km) |
| Guadarrama to Crawley | 744.82 mi (1,198.67 km) |
| Guadarrama to Crayford | 771.86 mi (1,242.18 km) |
| Guadarrama to Crewe | 862.03 mi (1,387.30 km) |
| Guadarrama to Crigglestone | 904.14 mi (1,455.07 km) |
| Guadarrama to Cromer | 883.87 mi (1,422.45 km) |
