| Columbia to Castle Pines (Colorado) | 1,374.12 mi (2,211.43 km) |
| Columbia to Castle Rock (Colorado) | 1,372.36 mi (2,208.61 km) |
| Columbia to Castro Valley (California) | 2,299.82 mi (3,701.20 km) |
| Columbia to Catalina Foothills (Arizona) | 1,731.83 mi (2,787.11 km) |
| Columbia to Cataño (Puerto Rico) | 1,410.19 mi (2,269.48 km) |
| Columbia to Cathedral City (California) | 2,028.04 mi (3,263.82 km) |
| Columbia to Catonsville (Maryland) | 428.39 mi (689.43 km) |
| Columbia to Cave Spring (Virginia) | 225.92 mi (363.58 km) |
| Columbia to Cayce (South Carolina) | 10.20 mi (16.41 km) |
| Columbia to Cayey (Puerto Rico) | 1,427.24 mi (2,296.92 km) |
| Columbia to Cedar City (Utah) | 1,811.15 mi (2,914.76 km) |
| Columbia to Cedar Falls (Iowa) | 856.33 mi (1,378.14 km) |
| Columbia to Cedar Hill (Texas) | 931.56 mi (1,499.20 km) |
| Columbia to Cedar Lake (Indiana) | 619.45 mi (996.90 km) |
| Columbia to Cedar Mill (Oregon) | 2,331.42 mi (3,752.05 km) |
