| Box Elder to Mitchell (South Dakota) | 252.58 mi (406.49 km) |
| Box Elder to Mitchellville (Maryland) | 1,398.43 mi (2,250.56 km) |
| Box Elder to Moberly (Missouri) | 636.56 mi (1,024.45 km) |
| Box Elder to Mobile (Alabama) | 1,235.48 mi (1,988.32 km) |
| Box Elder to Modesto (California) | 1,034.71 mi (1,665.20 km) |
| Box Elder to Mokena (Illinois) | 789.58 mi (1,270.70 km) |
| Box Elder to Moline (Illinois) | 662.88 mi (1,066.80 km) |
| Box Elder to Moncks Corner (South Carolina) | 1,448.93 mi (2,331.83 km) |
| Box Elder to Monfort Heights (Ohio) | 1,010.16 mi (1,625.69 km) |
| Box Elder to Monmouth (Oregon) | 991.92 mi (1,596.34 km) |
| Box Elder to Monroe (Georgia) | 1,256.03 mi (2,021.39 km) |
| Box Elder to Monroe (Louisiana) | 996.81 mi (1,604.21 km) |
| Box Elder to Monroe (Michigan) | 1,004.12 mi (1,615.97 km) |
| Box Elder to Monroe (North Carolina) | 1,348.46 mi (2,170.14 km) |
| Box Elder to Monroe (Ohio) | 1,014.07 mi (1,631.99 km) |
