| Box Elder to Keizer (Oregon) | 981.26 mi (1,579.18 km) |
| Box Elder to Keller (Texas) | 834.14 mi (1,342.42 km) |
| Box Elder to Kelso (Washington) | 973.16 mi (1,566.15 km) |
| Box Elder to Kemp Mill (Maryland) | 1,385.35 mi (2,229.51 km) |
| Box Elder to Ken Caryl (Colorado) | 330.31 mi (531.59 km) |
| Box Elder to Kendale Lakes (Florida) | 1,795.86 mi (2,890.16 km) |
| Box Elder to Kendall (Florida) | 1,799.97 mi (2,896.77 km) |
| Box Elder to Kendall Park (New Jersey) | 1,472.83 mi (2,370.29 km) |
| Box Elder to Kendall West (Florida) | 1,794.73 mi (2,888.33 km) |
| Box Elder to Kenmore (New York) | 1,210.83 mi (1,948.64 km) |
| Box Elder to Kenmore (Washington) | 952.02 mi (1,532.12 km) |
| Box Elder to Kenner (Louisiana) | 1,200.74 mi (1,932.40 km) |
| Box Elder to Kennesaw (Georgia) | 1,206.53 mi (1,941.73 km) |
| Box Elder to Kennett (Missouri) | 875.25 mi (1,408.57 km) |
| Box Elder to Kennewick (Washington) | 795.72 mi (1,280.59 km) |
