| Mill Hill to Castle Rock (Colorado) | 4,691.73 mi (7,550.62 km) |
| Mill Hill to Castro Valley (California) | 5,338.65 mi (8,591.73 km) |
| Mill Hill to Catalina Foothills (Arizona) | 5,284.04 mi (8,503.83 km) |
| Mill Hill to Cataño (Puerto Rico) | 4,198.86 mi (6,757.41 km) |
| Mill Hill to Cathedral City (California) | 5,386.78 mi (8,669.19 km) |
| Mill Hill to Catonsville (Maryland) | 3,629.93 mi (5,841.80 km) |
| Mill Hill to Cave Spring (Virginia) | 3,855.96 mi (6,205.56 km) |
| Mill Hill to Cayce (South Carolina) | 4,053.66 mi (6,523.73 km) |
| Mill Hill to Cayey (Puerto Rico) | 4,216.62 mi (6,786.00 km) |
| Mill Hill to Cedar City (Utah) | 5,060.76 mi (8,144.51 km) |
| Mill Hill to Cedar Falls (Iowa) | 4,090.32 mi (6,582.73 km) |
| Mill Hill to Cedar Hill (Texas) | 4,757.01 mi (7,655.66 km) |
| Mill Hill to Cedar Lake (Indiana) | 3,956.48 mi (6,367.34 km) |
| Mill Hill to Cedar Mill (Oregon) | 4,906.58 mi (7,896.38 km) |
| Mill Hill to Cedar Park (Texas) | 4,898.21 mi (7,882.90 km) |
