| Thornton Heath to Castle Rock (Colorado) | 4,704.92 mi (7,571.84 km) |
| Thornton Heath to Castro Valley (California) | 5,353.26 mi (8,615.24 km) |
| Thornton Heath to Catalina Foothills (Arizona) | 5,297.13 mi (8,524.90 km) |
| Thornton Heath to Cataño (Puerto Rico) | 4,202.20 mi (6,762.79 km) |
| Thornton Heath to Cathedral City (California) | 5,400.60 mi (8,691.43 km) |
| Thornton Heath to Catonsville (Maryland) | 3,639.71 mi (5,857.55 km) |
| Thornton Heath to Cave Spring (Virginia) | 3,865.79 mi (6,221.38 km) |
| Thornton Heath to Cayce (South Carolina) | 4,063.00 mi (6,538.77 km) |
| Thornton Heath to Cayey (Puerto Rico) | 4,219.91 mi (6,791.28 km) |
| Thornton Heath to Cedar City (Utah) | 5,074.59 mi (8,166.76 km) |
| Thornton Heath to Cedar Falls (Iowa) | 4,102.63 mi (6,602.54 km) |
| Thornton Heath to Cedar Hill (Texas) | 4,768.41 mi (7,674.02 km) |
| Thornton Heath to Cedar Lake (Indiana) | 3,968.04 mi (6,385.95 km) |
| Thornton Heath to Cedar Mill (Oregon) | 4,921.71 mi (7,920.72 km) |
| Thornton Heath to Cedar Park (Texas) | 4,909.44 mi (7,900.98 km) |
