| Houston to Capodrise | 5,799.07 mi (9,332.71 km) |
| Houston to Capoterra | 5,634.60 mi (9,068.02 km) |
| Houston to Capriolo | 5,442.28 mi (8,758.50 km) |
| Houston to Capua | 5,793.20 mi (9,323.25 km) |
| Houston to Capurso | 5,910.01 mi (9,511.24 km) |
| Houston to Carate Brianza | 5,406.67 mi (8,701.19 km) |
| Houston to Caravaggio | 5,435.29 mi (8,747.25 km) |
| Houston to Carbonera | 5,536.63 mi (8,910.34 km) |
| Houston to Carbonia | 5,614.40 mi (9,035.50 km) |
| Houston to Cardito | 5,803.01 mi (9,339.04 km) |
| Houston to Carignano | 5,373.64 mi (8,648.04 km) |
| Houston to Carini | 5,864.31 mi (9,437.69 km) |
| Houston to Carlentini | 5,980.11 mi (9,624.05 km) |
| Houston to Carmagnola | 5,377.46 mi (8,654.18 km) |
| Houston to Carmiano | 5,986.51 mi (9,634.36 km) |
