| Houston to Campo de Criptana | 5,058.90 mi (8,141.51 km) |
| Houston to Campos del Puerto | 5,350.44 mi (8,610.71 km) |
| Houston to Canals | 5,194.16 mi (8,359.20 km) |
| Houston to Candelaria | 4,669.17 mi (7,514.30 km) |
| Houston to Canet de Mar | 5,259.99 mi (8,465.13 km) |
| Houston to Cangas | 4,708.98 mi (7,578.37 km) |
| Houston to Cangas de Narcea | 4,791.94 mi (7,711.87 km) |
| Houston to Canovellas | 5,245.34 mi (8,441.56 km) |
| Houston to Canteras | 5,213.61 mi (8,390.49 km) |
| Houston to Cantillana | 4,977.97 mi (8,011.27 km) |
| Houston to Capdepera | 5,360.94 mi (8,627.60 km) |
| Houston to Carballo | 4,690.20 mi (7,548.14 km) |
| Houston to Carcagente | 5,195.72 mi (8,361.70 km) |
| Houston to Cardedeu | 5,248.18 mi (8,446.12 km) |
| Houston to Carlet | 5,189.04 mi (8,350.96 km) |
