| Houma to Cocentaina | 4,988.08 mi (8,027.54 km) |
| Houma to Coin | 4,828.28 mi (7,770.37 km) |
| Houma to Colindres | 4,720.61 mi (7,597.08 km) |
| Houma to Collado-Villalba | 4,762.71 mi (7,664.83 km) |
| Houma to Colmenar Viejo | 4,773.88 mi (7,682.81 km) |
| Houma to Colmenarejo | 4,764.12 mi (7,667.11 km) |
| Houma to Conil de la Frontera | 4,770.18 mi (7,676.86 km) |
| Houma to Consuegra | 4,812.52 mi (7,745.00 km) |
| Houma to Corbera de Llobregat | 5,026.51 mi (8,089.38 km) |
| Houma to Cordoba | 4,794.87 mi (7,716.60 km) |
| Houma to Coria del Rio | 4,745.78 mi (7,637.59 km) |
| Houma to Crevillente | 4,983.83 mi (8,020.70 km) |
| Houma to Cuarte de Huerva | 4,886.95 mi (7,864.78 km) |
| Houma to Cubellas | 5,020.26 mi (8,079.33 km) |
| Houma to Cuellar | 4,728.63 mi (7,609.99 km) |
