| Box Elder to Cookeville (Tennessee) | 1,075.74 mi (1,731.23 km) |
| Box Elder to Coolidge (Arizona) | 895.82 mi (1,441.68 km) |
| Box Elder to Coon Rapids (Minnesota) | 485.68 mi (781.62 km) |
| Box Elder to Cooper City (Florida) | 1,782.62 mi (2,868.85 km) |
| Box Elder to Coos Bay (Oregon) | 1,054.05 mi (1,696.34 km) |
| Box Elder to Copiague (New York) | 1,525.08 mi (2,454.38 km) |
| Box Elder to Coppell (Texas) | 837.05 mi (1,347.09 km) |
| Box Elder to Copperas Cove (Texas) | 940.70 mi (1,513.91 km) |
| Box Elder to Coral Gables (Florida) | 1,801.46 mi (2,899.17 km) |
| Box Elder to Coral Springs (Florida) | 1,771.83 mi (2,851.48 km) |
| Box Elder to Coral Terrace (Florida) | 1,797.86 mi (2,893.38 km) |
| Box Elder to Coralville (Iowa) | 604.11 mi (972.22 km) |
| Box Elder to Coram (New York) | 1,539.59 mi (2,477.73 km) |
| Box Elder to Corcoran (California) | 1,029.66 mi (1,657.09 km) |
| Box Elder to Cordele (Georgia) | 1,339.48 mi (2,155.69 km) |
