| Houston to Cosham | 4,828.65 mi (7,770.96 km) |
| Houston to Costessey | 4,868.56 mi (7,835.19 km) |
| Houston to Cottingham | 4,776.18 mi (7,686.51 km) |
| Houston to Coulsdon | 4,852.72 mi (7,809.70 km) |
| Houston to Coventry | 4,769.78 mi (7,676.22 km) |
| Houston to Cowdenbeath | 4,610.22 mi (7,419.43 km) |
| Houston to Cowes | 4,821.44 mi (7,759.36 km) |
| Houston to Cowley | 4,833.54 mi (7,778.83 km) |
| Houston to Cowley | 4,799.03 mi (7,723.29 km) |
| Houston to Cramlington | 4,699.32 mi (7,562.83 km) |
| Houston to Cranleigh | 4,844.25 mi (7,796.06 km) |
| Houston to Crawley | 4,856.59 mi (7,815.93 km) |
| Houston to Crayford | 4,861.87 mi (7,824.42 km) |
| Houston to Crewe | 4,716.11 mi (7,589.84 km) |
| Houston to Crigglestone | 4,737.66 mi (7,624.53 km) |
