| Helena to Groveton (Virginia) | 1,837.65 mi (2,957.42 km) |
| Helena to Grovetown (Georgia) | 1,804.34 mi (2,903.80 km) |
| Helena to Guayama (Puerto Rico) | 3,263.76 mi (5,252.52 km) |
| Helena to Guaynabo (Puerto Rico) | 3,242.76 mi (5,218.71 km) |
| Helena to Gulf Shores (Alabama) | 1,720.33 mi (2,768.61 km) |
| Helena to Gulfport (Florida) | 2,053.00 mi (3,303.98 km) |
| Helena to Gulfport (Mississippi) | 1,658.23 mi (2,668.67 km) |
| Helena to Gunbarrel (Colorado) | 567.20 mi (912.83 km) |
| Helena to Gurnee (Illinois) | 1,217.22 mi (1,958.93 km) |
| Helena to Guthrie (Oklahoma) | 1,058.13 mi (1,702.89 km) |
| Helena to Guttenberg (New Jersey) | 1,921.40 mi (3,092.20 km) |
| Helena to Guymon (Oklahoma) | 872.89 mi (1,404.78 km) |
| Helena to Hacienda Heights (California) | 924.63 mi (1,488.05 km) |
| Helena to Hackensack (New Jersey) | 1,916.65 mi (3,084.55 km) |
| Helena to Hackettstown (New Jersey) | 1,880.68 mi (3,026.65 km) |
