| Houston to Cervignano del Friuli | 5,573.72 mi (8,970.04 km) |
| Houston to Cesa | 5,799.49 mi (9,333.38 km) |
| Houston to Cesano Maderno | 5,409.94 mi (8,706.45 km) |
| Houston to Cesena | 5,593.19 mi (9,001.36 km) |
| Houston to Cesenatico | 5,597.10 mi (9,007.66 km) |
| Houston to Cetraro | 5,931.94 mi (9,546.54 km) |
| Houston to Cherasco | 5,390.77 mi (8,675.61 km) |
| Houston to Chiampo | 5,500.88 mi (8,852.81 km) |
| Houston to Chiaravalle | 5,658.97 mi (9,107.23 km) |
| Houston to Chiari | 5,444.43 mi (8,761.97 km) |
| Houston to Chiavari | 5,464.67 mi (8,794.54 km) |
| Houston to Chieri | 5,376.24 mi (8,652.22 km) |
| Houston to Chieti | 5,742.36 mi (9,241.44 km) |
| Houston to Chioggia | 5,553.88 mi (8,938.10 km) |
| Houston to Chiusi | 5,623.19 mi (9,049.64 km) |
