| Heerlen to Coin | 1,116.09 mi (1,796.17 km) |
| Heerlen to Colindres | 680.12 mi (1,094.55 km) |
| Heerlen to Collado-Villalba | 854.79 mi (1,375.65 km) |
| Heerlen to Colmenar Viejo | 846.82 mi (1,362.82 km) |
| Heerlen to Colmenarejo | 859.33 mi (1,382.95 km) |
| Heerlen to Conil de la Frontera | 1,173.34 mi (1,888.30 km) |
| Heerlen to Consuegra | 915.29 mi (1,473.01 km) |
| Heerlen to Corbera de Llobregat | 681.94 mi (1,097.48 km) |
| Heerlen to Cordoba | 1,041.14 mi (1,675.55 km) |
| Heerlen to Coria del Rio | 1,110.23 mi (1,786.75 km) |
| Heerlen to Crevillente | 933.82 mi (1,502.85 km) |
| Heerlen to Cuarte de Huerva | 721.50 mi (1,161.13 km) |
| Heerlen to Cubellas | 699.27 mi (1,125.37 km) |
| Heerlen to Cuellar | 818.25 mi (1,316.85 km) |
| Heerlen to Cuenca | 843.68 mi (1,357.77 km) |
