| Houma to Cadiz | 4,752.21 mi (7,647.95 km) |
| Houma to Calafell | 5,015.60 mi (8,071.82 km) |
| Houma to Calahorra | 4,818.16 mi (7,754.07 km) |
| Houma to Calasparra | 4,940.07 mi (7,950.27 km) |
| Houma to Calatayud | 4,858.95 mi (7,819.73 km) |
| Houma to Caldas de Montbuy | 5,031.41 mi (8,097.27 km) |
| Houma to Caldas de Reyes | 4,491.62 mi (7,228.57 km) |
| Houma to Calella | 5,055.16 mi (8,135.50 km) |
| Houma to Callosa de Segura | 4,983.86 mi (8,020.74 km) |
| Houma to Calpe | 5,014.76 mi (8,070.48 km) |
| Houma to Calvia | 5,107.83 mi (8,220.25 km) |
| Houma to Camas | 4,743.61 mi (7,634.10 km) |
| Houma to Cambados | 4,486.01 mi (7,219.53 km) |
| Houma to Cambre | 4,491.72 mi (7,228.73 km) |
| Houma to Cambrils | 4,995.05 mi (8,038.76 km) |
