| South Houston to Coudekerque-Branche | 4,961.27 mi (7,984.39 km) |
| South Houston to Coueron | 4,899.21 mi (7,884.52 km) |
| South Houston to Coulommiers | 5,054.80 mi (8,134.92 km) |
| South Houston to Courbevoic | 5,018.34 mi (8,076.23 km) |
| South Houston to Courcouronnes | 5,033.75 mi (8,101.04 km) |
| South Houston to Cournon-d'Auvergne | 5,154.31 mi (8,295.06 km) |
| South Houston to Courrieres | 4,999.95 mi (8,046.64 km) |
| South Houston to Coutras | 5,030.46 mi (8,095.74 km) |
| South Houston to Couzeix | 5,065.64 mi (8,152.36 km) |
| South Houston to Cran-Gevrier | 5,272.88 mi (8,485.87 km) |
| South Houston to Craponne | 5,219.54 mi (8,400.03 km) |
| South Houston to Creil | 5,017.01 mi (8,074.10 km) |
| South Houston to Crepy-en-Valois | 5,034.16 mi (8,101.70 km) |
| South Houston to Crest | 5,265.46 mi (8,473.93 km) |
| South Houston to Creteil | 5,030.12 mi (8,095.19 km) |
