| Houston to Campodarsego | 5,528.60 mi (8,897.41 km) |
| Houston to Campogalliano | 5,514.95 mi (8,875.45 km) |
| Houston to Campolongo Maggiore | 5,540.27 mi (8,916.20 km) |
| Houston to Camponogara | 5,539.07 mi (8,914.28 km) |
| Houston to Camposampiero | 5,526.78 mi (8,894.49 km) |
| Houston to Canegrate | 5,403.39 mi (8,695.92 km) |
| Houston to Canelli | 5,406.35 mi (8,700.68 km) |
| Houston to Canicatti | 5,924.34 mi (9,534.30 km) |
| Houston to Canosa di Puglia | 5,867.48 mi (9,442.80 km) |
| Houston to Cantu | 5,405.79 mi (8,699.77 km) |
| Houston to Caorle | 5,564.04 mi (8,954.46 km) |
| Houston to Capaci | 5,865.25 mi (9,439.21 km) |
| Houston to Capannori | 5,533.70 mi (8,905.63 km) |
| Houston to Capena | 5,681.54 mi (9,143.56 km) |
| Houston to Capo d'Orlando | 5,932.85 mi (9,548.00 km) |
