| South Houston to Busto Arsizio | 5,397.97 mi (8,687.20 km) |
| South Houston to Busto Garolfo | 5,401.68 mi (8,693.16 km) |
| South Houston to Cabras | 5,585.69 mi (8,989.29 km) |
| South Houston to Cadelbosco di Sopra | 5,501.04 mi (8,853.06 km) |
| South Houston to Cadoneghe | 5,530.93 mi (8,901.18 km) |
| South Houston to Cagli | 5,631.91 mi (9,063.68 km) |
| South Houston to Cagliari | 5,637.37 mi (9,072.47 km) |
| South Houston to Cairo Montenotte | 5,415.79 mi (8,715.87 km) |
| South Houston to Caivano | 5,802.17 mi (9,337.69 km) |
| South Houston to Calcinaia | 5,541.28 mi (8,917.82 km) |
| South Houston to Calcinato | 5,468.25 mi (8,800.30 km) |
| South Houston to Calderara di Reno | 5,536.14 mi (8,909.56 km) |
| South Houston to Caldogno | 5,507.44 mi (8,863.37 km) |
| South Houston to Calenzano | 5,557.77 mi (8,944.37 km) |
| South Houston to Calolziocorte | 5,415.46 mi (8,715.34 km) |
