| Helena to Greenwood (South Carolina) | 1,774.72 mi (2,856.13 km) |
| Helena to Greenwood Village (Colorado) | 600.45 mi (966.33 km) |
| Helena to Greer (South Carolina) | 1,740.33 mi (2,800.80 km) |
| Helena to Grenada (Mississippi) | 1,460.35 mi (2,350.20 km) |
| Helena to Gresham (Oregon) | 505.03 mi (812.77 km) |
| Helena to Gretna (Louisiana) | 1,647.53 mi (2,651.45 km) |
| Helena to Griffin (Georgia) | 1,721.93 mi (2,771.18 km) |
| Helena to Griffith (Indiana) | 1,264.56 mi (2,035.12 km) |
| Helena to Grimes (Iowa) | 962.79 mi (1,549.46 km) |
| Helena to Grosse Pointe Park (Michigan) | 1,454.52 mi (2,340.82 km) |
| Helena to Grosse Pointe Woods (Michigan) | 1,454.49 mi (2,340.78 km) |
| Helena to Grove City (Ohio) | 1,519.90 mi (2,446.05 km) |
| Helena to Groveland (Florida) | 2,046.90 mi (3,294.17 km) |
| Helena to Grover Beach (California) | 910.12 mi (1,464.69 km) |
| Helena to Groves (Texas) | 1,505.08 mi (2,422.20 km) |
