| Houston to Carpentras | 5,289.75 mi (8,513.04 km) |
| Houston to Carquefou | 4,907.71 mi (7,898.20 km) |
| Houston to Carqueiranne | 5,366.83 mi (8,637.08 km) |
| Houston to Carrieres-sous-Poissy | 5,008.31 mi (8,060.10 km) |
| Houston to Carrieres-sur-Seine | 5,019.66 mi (8,078.37 km) |
| Houston to Carros | 5,392.39 mi (8,678.21 km) |
| Houston to Carvin | 4,999.20 mi (8,045.44 km) |
| Houston to Castanet-Tolosan | 5,150.15 mi (8,288.37 km) |
| Houston to Castelginest | 5,141.73 mi (8,274.81 km) |
| Houston to Castelnau-le-Lez | 5,253.19 mi (8,454.20 km) |
| Houston to Castelnaudary | 5,176.72 mi (8,331.13 km) |
| Houston to Castelsarrasin | 5,116.54 mi (8,234.28 km) |
| Houston to Castres | 5,181.11 mi (8,338.19 km) |
| Houston to Caudebec-les-Elbeuf | 4,956.88 mi (7,977.33 km) |
| Houston to Caudry | 5,028.32 mi (8,092.30 km) |
