| South Houston to Cernavoda | 6,198.68 mi (9,975.82 km) |
| South Houston to Chitila | 6,116.29 mi (9,843.22 km) |
| South Houston to Cisnadie | 5,994.29 mi (9,646.87 km) |
| South Houston to Cluj-Napoca | 5,926.41 mi (9,537.63 km) |
| South Houston to Codlea | 6,042.01 mi (9,723.68 km) |
| South Houston to Comanesti | 6,044.09 mi (9,727.02 km) |
| South Houston to Comarnic | 6,069.41 mi (9,767.77 km) |
| South Houston to Constanta | 6,228.34 mi (10,023.55 km) |
| South Houston to Corabia | 6,094.98 mi (9,808.92 km) |
| South Houston to Costesti | 6,068.34 mi (9,766.05 km) |
| South Houston to Covasna | 6,061.62 mi (9,755.23 km) |
| South Houston to Craiova | 6,043.91 mi (9,726.73 km) |
| South Houston to Cristuru Secuiesc | 6,000.12 mi (9,656.26 km) |
| South Houston to Cugir | 5,959.54 mi (9,590.96 km) |
| South Houston to Cumpana | 6,228.14 mi (10,023.23 km) |
