| Thornton to Carlsbad (New Mexico) | 4,906.58 mi (7,896.38 km) |
| Thornton to Carmel (Indiana) | 3,849.76 mi (6,195.59 km) |
| Thornton to Carmichael (California) | 5,108.71 mi (8,221.67 km) |
| Thornton to Carney (Maryland) | 3,505.78 mi (5,642.00 km) |
| Thornton to Carnot-Moon (Pennsylvania) | 3,597.37 mi (5,789.41 km) |
| Thornton to Carol Stream (Illinois) | 3,829.17 mi (6,162.46 km) |
| Thornton to Carolina (Puerto Rico) | 4,148.60 mi (6,676.53 km) |
| Thornton to Carolina Forest (South Carolina) | 3,873.04 mi (6,233.06 km) |
| Thornton to Carpentersville (Illinois) | 3,825.15 mi (6,155.99 km) |
| Thornton to Carpinteria (California) | 5,301.68 mi (8,532.23 km) |
| Thornton to Carrboro (North Carolina) | 3,773.41 mi (6,072.72 km) |
| Thornton to Carroll (Iowa) | 4,064.83 mi (6,541.72 km) |
| Thornton to Carrollton (Georgia) | 4,126.00 mi (6,640.16 km) |
| Thornton to Carrollton (Texas) | 4,607.85 mi (7,415.61 km) |
| Thornton to Carrollwood (Florida) | 4,307.92 mi (6,932.93 km) |
