| Heiloo to Coin | 1,192.83 mi (1,919.68 km) |
| Heiloo to Colindres | 738.43 mi (1,188.39 km) |
| Heiloo to Collado-Villalba | 923.14 mi (1,485.65 km) |
| Heiloo to Colmenar Viejo | 916.50 mi (1,474.96 km) |
| Heiloo to Colmenarejo | 927.92 mi (1,493.34 km) |
| Heiloo to Conil de la Frontera | 1,244.81 mi (2,003.34 km) |
| Heiloo to Consuegra | 990.11 mi (1,593.43 km) |
| Heiloo to Corbera de Llobregat | 783.58 mi (1,261.06 km) |
| Heiloo to Cordoba | 1,114.53 mi (1,793.66 km) |
| Heiloo to Coria del Rio | 1,179.07 mi (1,897.53 km) |
| Heiloo to Crevillente | 1,026.39 mi (1,651.81 km) |
| Heiloo to Cuarte de Huerva | 805.37 mi (1,296.12 km) |
| Heiloo to Cubellas | 799.79 mi (1,287.13 km) |
| Heiloo to Cuellar | 881.50 mi (1,418.63 km) |
| Heiloo to Cuenca | 924.82 mi (1,488.36 km) |
