| Houston to Cloverleaf (Texas) | 12.96 mi (20.86 km) |
| Houston to Cloverly (Maryland) | 1,226.23 mi (1,973.43 km) |
| Houston to Clovis (California) | 1,479.89 mi (2,381.65 km) |
| Houston to Clovis (New Mexico) | 558.15 mi (898.25 km) |
| Houston to Clute (Texas) | 52.54 mi (84.56 km) |
| Houston to Coachella (California) | 1,246.72 mi (2,006.41 km) |
| Houston to Coalinga (California) | 1,505.88 mi (2,423.48 km) |
| Houston to Coamo (Puerto Rico) | 1,995.92 mi (3,212.12 km) |
| Houston to Coatesville (Pennsylvania) | 1,309.46 mi (2,107.38 km) |
| Houston to Cockeysville (Maryland) | 1,255.42 mi (2,020.41 km) |
| Houston to Cocoa (Florida) | 887.54 mi (1,428.36 km) |
| Houston to Cocoa Beach (Florida) | 896.52 mi (1,442.80 km) |
| Houston to Coconut Creek (Florida) | 957.53 mi (1,541.00 km) |
| Houston to Coeur d'Alene (Idaho) | 1,680.81 mi (2,705.00 km) |
| Houston to Cohoes (New York) | 1,496.98 mi (2,409.15 km) |
