| Thornbury to Castle Rock (Colorado) | 4,611.95 mi (7,422.22 km) |
| Thornbury to Castro Valley (California) | 5,270.36 mi (8,481.83 km) |
| Thornbury to Catalina Foothills (Arizona) | 5,203.58 mi (8,374.35 km) |
| Thornbury to Cataño (Puerto Rico) | 4,101.26 mi (6,600.34 km) |
| Thornbury to Cathedral City (California) | 5,311.36 mi (8,547.81 km) |
| Thornbury to Catonsville (Maryland) | 3,536.37 mi (5,691.24 km) |
| Thornbury to Cave Spring (Virginia) | 3,762.51 mi (6,055.17 km) |
| Thornbury to Cayce (South Carolina) | 3,959.09 mi (6,371.55 km) |
| Thornbury to Cayey (Puerto Rico) | 4,119.08 mi (6,629.01 km) |
| Thornbury to Cedar City (Utah) | 4,985.41 mi (8,023.25 km) |
| Thornbury to Cedar Falls (Iowa) | 4,005.68 mi (6,446.51 km) |
| Thornbury to Cedar Hill (Texas) | 4,668.40 mi (7,513.06 km) |
| Thornbury to Cedar Lake (Indiana) | 3,868.54 mi (6,225.81 km) |
| Thornbury to Cedar Mill (Oregon) | 4,844.74 mi (7,796.86 km) |
| Thornbury to Cedar Park (Texas) | 4,808.96 mi (7,739.27 km) |
