| Thornton to Caño Martin Peña (Puerto Rico) | 4,150.09 mi (6,678.92 km) |
| Thornton to Cañon City (Colorado) | 4,612.34 mi (7,422.85 km) |
| Thornton to Canóvanas (Puerto Rico) | 4,147.42 mi (6,674.64 km) |
| Thornton to Canton (Georgia) | 4,069.17 mi (6,548.69 km) |
| Thornton to Canton (Illinois) | 3,965.55 mi (6,381.93 km) |
| Thornton to Canton (Mississippi) | 4,368.48 mi (7,030.39 km) |
| Thornton to Canton (Ohio) | 3,627.94 mi (5,838.61 km) |
| Thornton to Canyon (Texas) | 4,683.50 mi (7,537.37 km) |
| Thornton to Canyon Lake (California) | 5,272.73 mi (8,485.64 km) |
| Thornton to Canyon Lake (Texas) | 4,825.14 mi (7,765.32 km) |
| Thornton to Cape Coral (Florida) | 4,360.81 mi (7,018.04 km) |
| Thornton to Cape Girardeau (Missouri) | 4,109.63 mi (6,613.82 km) |
| Thornton to Carbondale (Illinois) | 4,076.34 mi (6,560.23 km) |
| Thornton to Carlisle (Pennsylvania) | 3,495.33 mi (5,625.18 km) |
| Thornton to Carlsbad (California) | 5,305.98 mi (8,539.15 km) |
