| Helena to La Riviera (California) | 729.14 mi (1,173.44 km) |
| Helena to La Vergne (Tennessee) | 1,500.40 mi (2,414.67 km) |
| Helena to La Verne (California) | 912.96 mi (1,469.27 km) |
| Helena to La Vista (Nebraska) | 875.97 mi (1,409.74 km) |
| Helena to Lacey (Washington) | 509.88 mi (820.58 km) |
| Helena to Lackawanna (New York) | 1,638.01 mi (2,636.13 km) |
| Helena to Laconia (New Hampshire) | 1,966.90 mi (3,165.42 km) |
| Helena to Ladera Ranch (California) | 948.57 mi (1,526.57 km) |
| Helena to Ladson (South Carolina) | 1,917.89 mi (3,086.55 km) |
| Helena to Lady Lake (Florida) | 2,026.95 mi (3,262.06 km) |
| Helena to Lafayette (California) | 791.47 mi (1,273.75 km) |
| Helena to Lafayette (Colorado) | 573.26 mi (922.57 km) |
| Helena to Lafayette (Indiana) | 1,325.04 mi (2,132.44 km) |
| Helena to Lafayette (Louisiana) | 1,557.45 mi (2,506.48 km) |
| Helena to LaGrange (Georgia) | 1,698.33 mi (2,733.20 km) |
