| Humble to Castle Pines (Colorado) | 850.75 mi (1,369.15 km) |
| Humble to Castle Rock (Colorado) | 845.76 mi (1,361.12 km) |
| Humble to Castro Valley (California) | 1,620.71 mi (2,608.28 km) |
| Humble to Catalina Foothills (Arizona) | 936.38 mi (1,506.95 km) |
| Humble to Cataño (Puerto Rico) | 1,993.47 mi (3,208.17 km) |
| Humble to Cathedral City (California) | 1,268.89 mi (2,042.08 km) |
| Humble to Catonsville (Maryland) | 1,229.01 mi (1,977.89 km) |
| Humble to Cave Spring (Virginia) | 1,008.41 mi (1,622.88 km) |
| Humble to Cayce (South Carolina) | 876.35 mi (1,410.35 km) |
| Humble to Cayey (Puerto Rico) | 2,003.32 mi (3,224.03 km) |
| Humble to Cedar City (Utah) | 1,150.28 mi (1,851.20 km) |
| Humble to Cedar Falls (Iowa) | 879.48 mi (1,415.38 km) |
| Humble to Cedar Hill (Texas) | 204.92 mi (329.79 km) |
| Humble to Cedar Lake (Indiana) | 899.55 mi (1,447.68 km) |
| Humble to Cedar Mill (Oregon) | 1,832.97 mi (2,949.88 km) |
