| Columbine to Carlsbad (California) | 812.05 mi (1,306.87 km) |
| Columbine to Carlsbad (New Mexico) | 498.73 mi (802.62 km) |
| Columbine to Carmel (Indiana) | 1,003.31 mi (1,614.67 km) |
| Columbine to Carmichael (California) | 872.87 mi (1,404.75 km) |
| Columbine to Carney (Maryland) | 1,515.57 mi (2,439.08 km) |
| Columbine to Carnot-Moon (Pennsylvania) | 1,311.55 mi (2,110.74 km) |
| Columbine to Carol Stream (Illinois) | 899.52 mi (1,447.64 km) |
| Columbine to Carolina (Puerto Rico) | 2,747.01 mi (4,420.89 km) |
| Columbine to Carolina Forest (South Carolina) | 1,498.25 mi (2,411.19 km) |
| Columbine to Carpentersville (Illinois) | 892.68 mi (1,436.62 km) |
| Columbine to Carpinteria (California) | 872.65 mi (1,404.39 km) |
| Columbine to Carrboro (North Carolina) | 1,436.44 mi (2,311.73 km) |
| Columbine to Carroll (Iowa) | 559.98 mi (901.20 km) |
| Columbine to Carrollton (Georgia) | 1,180.77 mi (1,900.26 km) |
| Columbine to Carrollton (Texas) | 643.56 mi (1,035.70 km) |
