| Helena to Joliet (Illinois) | 1,230.65 mi (1,980.53 km) |
| Helena to Jonesboro (Arkansas) | 1,329.15 mi (2,139.06 km) |
| Helena to Joplin (Missouri) | 1,112.11 mi (1,789.78 km) |
| Helena to Joppatowne (Maryland) | 1,851.76 mi (2,980.11 km) |
| Helena to Juana Díaz (Puerto Rico) | 3,242.34 mi (5,218.04 km) |
| Helena to Junction City (Kansas) | 927.35 mi (1,492.42 km) |
| Helena to Juneau (Alaska) | 1,229.98 mi (1,979.46 km) |
| Helena to Jupiter (Florida) | 2,203.60 mi (3,546.35 km) |
| Helena to Jupiter Farms (Florida) | 2,198.99 mi (3,538.94 km) |
| Helena to Jurupa Valley (California) | 915.85 mi (1,473.91 km) |
| Helena to Justice (Illinois) | 1,238.95 mi (1,993.89 km) |
| Helena to Kahului (Hawaii) | 3,051.98 mi (4,911.69 km) |
| Helena to Kailua (Hawaii) | 3,083.47 mi (4,962.37 km) |
| Helena to Kalamazoo (Michigan) | 1,331.02 mi (2,142.08 km) |
| Helena to Kalispell (Montana) | 155.39 mi (250.08 km) |
