| Helena to Jeffersonville (Indiana) | 1,448.91 mi (2,331.80 km) |
| Helena to Jenison (Michigan) | 1,303.94 mi (2,098.49 km) |
| Helena to Jenks (Oklahoma) | 1,105.22 mi (1,778.68 km) |
| Helena to Jennings (Missouri) | 1,226.50 mi (1,973.85 km) |
| Helena to Jensen Beach (Florida) | 2,181.90 mi (3,511.43 km) |
| Helena to Jericho (New York) | 1,943.54 mi (3,127.82 km) |
| Helena to Jerome (Idaho) | 294.68 mi (474.24 km) |
| Helena to Jersey City (New Jersey) | 1,920.55 mi (3,090.82 km) |
| Helena to Jessup (Maryland) | 1,840.18 mi (2,961.49 km) |
| Helena to Johns Creek (Georgia) | 1,690.01 mi (2,719.81 km) |
| Helena to Johnson City (New York) | 1,791.70 mi (2,883.46 km) |
| Helena to Johnson City (Tennessee) | 1,677.07 mi (2,698.99 km) |
| Helena to Johnston (Iowa) | 965.67 mi (1,554.09 km) |
| Helena to Johnstown (Colorado) | 558.10 mi (898.18 km) |
| Helena to Johnstown (Pennsylvania) | 1,701.92 mi (2,738.98 km) |
