| Nailsea to Cocentaina | 883.60 mi (1,422.02 km) |
| Nailsea to Coin | 1,024.72 mi (1,649.13 km) |
| Nailsea to Colindres | 555.97 mi (894.75 km) |
| Nailsea to Collado-Villalba | 748.35 mi (1,204.35 km) |
| Nailsea to Colmenar Viejo | 745.75 mi (1,200.17 km) |
| Nailsea to Colmenarejo | 753.38 mi (1,212.44 km) |
| Nailsea to Conil de la Frontera | 1,060.40 mi (1,706.55 km) |
| Nailsea to Consuegra | 827.92 mi (1,332.40 km) |
| Nailsea to Corbera de Llobregat | 726.64 mi (1,169.41 km) |
| Nailsea to Cordoba | 941.06 mi (1,514.48 km) |
| Nailsea to Coria del Rio | 990.60 mi (1,594.21 km) |
| Nailsea to Crevillente | 915.66 mi (1,473.61 km) |
| Nailsea to Cuarte de Huerva | 685.90 mi (1,103.86 km) |
| Nailsea to Cubellas | 736.79 mi (1,185.75 km) |
| Nailsea to Cuellar | 696.84 mi (1,121.46 km) |
