| Box Elder to Joliet (Illinois) | 776.53 mi (1,249.70 km) |
| Box Elder to Jonesboro (Arkansas) | 869.75 mi (1,399.73 km) |
| Box Elder to Joplin (Missouri) | 661.83 mi (1,065.11 km) |
| Box Elder to Joppatowne (Maryland) | 1,408.48 mi (2,266.74 km) |
| Box Elder to Juana Díaz (Puerto Rico) | 2,776.91 mi (4,469.00 km) |
| Box Elder to Junction City (Kansas) | 476.31 mi (766.55 km) |
| Box Elder to Juneau (Alaska) | 1,645.32 mi (2,647.88 km) |
| Box Elder to Jupiter (Florida) | 1,743.60 mi (2,806.05 km) |
| Box Elder to Jupiter Farms (Florida) | 1,739.19 mi (2,798.96 km) |
| Box Elder to Jurupa Valley (California) | 1,038.35 mi (1,671.06 km) |
| Box Elder to Justice (Illinois) | 787.19 mi (1,266.86 km) |
| Box Elder to Kahului (Hawaii) | 3,426.72 mi (5,514.77 km) |
| Box Elder to Kailua (Hawaii) | 3,465.98 mi (5,577.95 km) |
| Box Elder to Kalamazoo (Michigan) | 888.56 mi (1,429.99 km) |
| Box Elder to Kalispell (Montana) | 607.43 mi (977.56 km) |
