| Houston to Cehegin | 5,161.96 mi (8,307.38 km) |
| Houston to Cervello | 5,237.59 mi (8,429.08 km) |
| Houston to Cervera | 5,197.43 mi (8,364.46 km) |
| Houston to Ceuti | 5,188.07 mi (8,349.39 km) |
| Houston to Cheste | 5,173.44 mi (8,325.84 km) |
| Houston to Chiclana de la Frontera | 4,994.81 mi (8,038.37 km) |
| Houston to Chipiona | 4,971.49 mi (8,000.84 km) |
| Houston to Chiva | 5,172.01 mi (8,323.54 km) |
| Houston to Churriana de la Vega | 5,099.01 mi (8,206.06 km) |
| Houston to Ciempozuelos | 5,012.70 mi (8,067.15 km) |
| Houston to Cieza | 5,176.01 mi (8,329.99 km) |
| Houston to Cisterniga | 4,920.82 mi (7,919.30 km) |
| Houston to Ciudad de Melilla | 5,190.44 mi (8,353.20 km) |
| Houston to Ciudad Real | 5,032.17 mi (8,098.50 km) |
| Houston to Ciudad-Rodrigo | 4,859.79 mi (7,821.08 km) |
