| Mountain Home to Johnstown (Pennsylvania) | 1,891.01 mi (3,043.28 km) |
| Mountain Home to Joliet (Illinois) | 1,405.23 mi (2,261.51 km) |
| Mountain Home to Jonesboro (Arkansas) | 1,420.05 mi (2,285.34 km) |
| Mountain Home to Joplin (Missouri) | 1,191.70 mi (1,917.86 km) |
| Mountain Home to Joppatowne (Maryland) | 2,040.20 mi (3,283.39 km) |
| Mountain Home to Juana Díaz (Puerto Rico) | 3,336.75 mi (5,369.98 km) |
| Mountain Home to Junction City (Kansas) | 1,019.19 mi (1,640.23 km) |
| Mountain Home to Juneau (Alaska) | 1,321.80 mi (2,127.23 km) |
| Mountain Home to Jupiter (Florida) | 2,279.70 mi (3,668.82 km) |
| Mountain Home to Jupiter Farms (Florida) | 2,274.51 mi (3,660.47 km) |
| Mountain Home to Jurupa Valley (California) | 638.11 mi (1,026.94 km) |
| Mountain Home to Justice (Illinois) | 1,417.34 mi (2,280.98 km) |
| Mountain Home to Kahului (Hawaii) | 2,800.44 mi (4,506.87 km) |
| Mountain Home to Kailua (Hawaii) | 2,837.10 mi (4,565.87 km) |
| Mountain Home to Kalamazoo (Michigan) | 1,521.67 mi (2,448.89 km) |
