| Helena to Hormigueros (Puerto Rico) | 3,210.61 mi (5,166.97 km) |
| Helena to Horn Lake (Mississippi) | 1,395.42 mi (2,245.72 km) |
| Helena to Hot Springs (Arkansas) | 1,294.68 mi (2,083.58 km) |
| Helena to Hot Springs Village (Arkansas) | 1,289.81 mi (2,075.74 km) |
| Helena to Houma (Louisiana) | 1,640.62 mi (2,640.32 km) |
| Helena to Houston (Texas) | 1,464.84 mi (2,357.44 km) |
| Helena to Howard (Wisconsin) | 1,160.94 mi (1,868.36 km) |
| Helena to Huber Heights (Ohio) | 1,470.98 mi (2,367.32 km) |
| Helena to Hudson (Florida) | 2,022.93 mi (3,255.58 km) |
| Helena to Hudson (Ohio) | 1,555.69 mi (2,503.64 km) |
| Helena to Hudson (Wisconsin) | 933.91 mi (1,502.99 km) |
| Helena to Hueytown (Alabama) | 1,594.62 mi (2,566.29 km) |
| Helena to Hugo (Minnesota) | 919.86 mi (1,480.37 km) |
| Helena to Humacao (Puerto Rico) | 3,267.52 mi (5,258.56 km) |
| Helena to Humble (Texas) | 1,456.96 mi (2,344.75 km) |
