| Box Elder to Kaneohe (Hawaii) | 3,467.84 mi (5,580.94 km) |
| Box Elder to Kankakee (Illinois) | 800.01 mi (1,287.49 km) |
| Box Elder to Kannapolis (North Carolina) | 1,326.47 mi (2,134.75 km) |
| Box Elder to Kansas City (Kansas) | 551.12 mi (886.94 km) |
| Box Elder to Kansas City (Missouri) | 558.79 mi (899.28 km) |
| Box Elder to Kapaa (Hawaii) | 3,514.26 mi (5,655.65 km) |
| Box Elder to Kapolei (Hawaii) | 3,484.41 mi (5,607.61 km) |
| Box Elder to Katy (Texas) | 1,066.26 mi (1,715.98 km) |
| Box Elder to Kaukauna (Wisconsin) | 733.13 mi (1,179.86 km) |
| Box Elder to Kaysville (Utah) | 498.43 mi (802.15 km) |
| Box Elder to Kearney (Missouri) | 556.51 mi (895.61 km) |
| Box Elder to Kearney (Nebraska) | 311.61 mi (501.49 km) |
| Box Elder to Kearns (Utah) | 514.15 mi (827.45 km) |
| Box Elder to Kearny (New Jersey) | 1,487.15 mi (2,393.34 km) |
| Box Elder to Keene (New Hampshire) | 1,535.05 mi (2,470.43 km) |
