| South Houston to Cehegin | 5,159.15 mi (8,302.85 km) |
| South Houston to Cervello | 5,235.75 mi (8,426.12 km) |
| South Houston to Cervera | 5,195.59 mi (8,361.50 km) |
| South Houston to Ceuti | 5,185.30 mi (8,344.93 km) |
| South Houston to Cheste | 5,171.00 mi (8,321.92 km) |
| South Houston to Chiclana de la Frontera | 4,991.32 mi (8,032.75 km) |
| South Houston to Chipiona | 4,968.05 mi (7,995.30 km) |
| South Houston to Chiva | 5,169.56 mi (8,319.61 km) |
| South Houston to Churriana de la Vega | 5,095.86 mi (8,200.99 km) |
| South Houston to Ciempozuelos | 5,010.18 mi (8,063.10 km) |
| South Houston to Cieza | 5,173.26 mi (8,325.56 km) |
| South Houston to Cisterniga | 4,918.54 mi (7,915.62 km) |
| South Houston to Ciudad de Melilla | 5,186.96 mi (8,347.61 km) |
| South Houston to Ciudad Real | 5,029.38 mi (8,094.01 km) |
| South Houston to Ciudad-Rodrigo | 4,857.15 mi (7,816.84 km) |
