| Houston to Cabestany | 5,241.33 mi (8,435.11 km) |
| Houston to Cabries | 5,324.69 mi (8,569.26 km) |
| Houston to Cachan | 5,024.99 mi (8,086.94 km) |
| Houston to Caen | 4,902.54 mi (7,889.87 km) |
| Houston to Cagnes-sur-Mer | 5,394.20 mi (8,681.13 km) |
| Houston to Cahors | 5,118.87 mi (8,238.03 km) |
| Houston to Calais | 4,942.21 mi (7,953.71 km) |
| Houston to Caluire-et-Cuire | 5,223.91 mi (8,407.07 km) |
| Houston to Cambrai | 5,019.75 mi (8,078.50 km) |
| Houston to Canet-en-Roussillon | 5,243.43 mi (8,438.48 km) |
| Houston to Cannes | 5,392.21 mi (8,677.93 km) |
| Houston to Canteleu | 4,952.57 mi (7,970.39 km) |
| Houston to Capbreton | 5,014.24 mi (8,069.64 km) |
| Houston to Carcassonne | 5,197.87 mi (8,365.16 km) |
| Houston to Carmaux | 5,162.95 mi (8,308.97 km) |
