| Houston to Coudekerque-Branche | 4,961.06 mi (7,984.05 km) |
| Houston to Coueron | 4,900.08 mi (7,885.92 km) |
| Houston to Coulommiers | 5,055.02 mi (8,135.26 km) |
| Houston to Courbevoic | 5,018.59 mi (8,076.63 km) |
| Houston to Courcouronnes | 5,034.05 mi (8,101.51 km) |
| Houston to Cournon-d'Auvergne | 5,155.16 mi (8,296.42 km) |
| Houston to Courrieres | 4,999.82 mi (8,046.43 km) |
| Houston to Coutras | 5,031.69 mi (8,097.73 km) |
| Houston to Couzeix | 5,066.60 mi (8,153.91 km) |
| Houston to Cran-Gevrier | 5,273.47 mi (8,486.83 km) |
| Houston to Craponne | 5,220.27 mi (8,401.21 km) |
| Houston to Creil | 5,017.17 mi (8,074.36 km) |
| Houston to Crepy-en-Valois | 5,034.30 mi (8,101.92 km) |
| Houston to Crest | 5,266.37 mi (8,475.41 km) |
| Houston to Creteil | 5,030.38 mi (8,095.61 km) |
