| Helena to Arroyo Grande (California) | 908.99 mi (1,462.88 km) |
| Helena to Artesia (California) | 935.05 mi (1,504.81 km) |
| Helena to Artesia (New Mexico) | 1,030.76 mi (1,658.86 km) |
| Helena to Artondale (Washington) | 502.90 mi (809.33 km) |
| Helena to Arvada (Colorado) | 580.96 mi (934.97 km) |
| Helena to Arvin (California) | 863.56 mi (1,389.77 km) |
| Helena to Asbury Lake (Florida) | 1,978.70 mi (3,184.41 km) |
| Helena to Asbury Park (New Jersey) | 1,937.96 mi (3,118.84 km) |
| Helena to Ashburn (Virginia) | 1,811.22 mi (2,914.88 km) |
| Helena to Asheboro (North Carolina) | 1,819.94 mi (2,928.90 km) |
| Helena to Asheville (North Carolina) | 1,699.64 mi (2,735.30 km) |
| Helena to Ashland (California) | 802.28 mi (1,291.14 km) |
| Helena to Ashland (Kentucky) | 1,586.66 mi (2,553.48 km) |
| Helena to Ashland (Ohio) | 1,524.95 mi (2,454.16 km) |
| Helena to Ashland (Oregon) | 608.05 mi (978.56 km) |
