| Colonia to Castle Pines (Colorado) | 1,610.39 mi (2,591.67 km) |
| Colonia to Castle Rock (Colorado) | 1,610.81 mi (2,592.35 km) |
| Colonia to Castro Valley (California) | 2,534.73 mi (4,079.26 km) |
| Colonia to Catalina Foothills (Arizona) | 2,095.01 mi (3,371.59 km) |
| Colonia to Cataño (Puerto Rico) | 1,605.79 mi (2,584.27 km) |
| Colonia to Cathedral City (California) | 2,342.75 mi (3,770.30 km) |
| Colonia to Catonsville (Maryland) | 157.99 mi (254.26 km) |
| Colonia to Cave Spring (Virginia) | 384.30 mi (618.46 km) |
| Colonia to Cayce (South Carolina) | 589.31 mi (948.40 km) |
| Colonia to Cayey (Puerto Rico) | 1,626.90 mi (2,618.24 km) |
| Colonia to Cedar City (Utah) | 2,071.18 mi (3,333.25 km) |
| Colonia to Cedar Falls (Iowa) | 945.37 mi (1,521.43 km) |
| Colonia to Cedar Hill (Texas) | 1,367.65 mi (2,201.01 km) |
| Colonia to Cedar Lake (Indiana) | 686.00 mi (1,104.01 km) |
| Colonia to Cedar Mill (Oregon) | 2,433.59 mi (3,916.48 km) |
