| Houston to Corato | 5,884.22 mi (9,469.73 km) |
| Houston to Corbetta | 5,406.24 mi (8,700.50 km) |
| Houston to Corciano | 5,632.86 mi (9,065.21 km) |
| Houston to Cordenons | 5,542.14 mi (8,919.21 km) |
| Houston to Cori | 5,716.48 mi (9,199.79 km) |
| Houston to Coriano | 5,614.48 mi (9,035.63 km) |
| Houston to Corigliano Calabro | 5,952.30 mi (9,579.29 km) |
| Houston to Corleone | 5,881.90 mi (9,466.01 km) |
| Houston to Cormano | 5,413.68 mi (8,712.47 km) |
| Houston to Cornaredo | 5,409.91 mi (8,706.41 km) |
| Houston to Cornate d'Adda | 5,422.54 mi (8,726.74 km) |
| Houston to Cornedo Vicentino | 5,501.14 mi (8,853.24 km) |
| Houston to Correggio | 5,508.93 mi (8,865.77 km) |
| Houston to Corridonia | 5,680.11 mi (9,141.25 km) |
| Houston to Corsico | 5,415.74 mi (8,715.80 km) |
