| Helena to Lake Grove (New York) | 1,961.62 mi (3,156.92 km) |
| Helena to Lake Havasu City (Arizona) | 844.25 mi (1,358.70 km) |
| Helena to Lake Hopatcong (New Jersey) | 1,887.89 mi (3,038.26 km) |
| Helena to Lake in the Hills (Illinois) | 1,202.65 mi (1,935.49 km) |
| Helena to Lake Jackson (Texas) | 1,505.64 mi (2,423.09 km) |
| Helena to Lake Los Angeles (California) | 881.94 mi (1,419.34 km) |
| Helena to Lake Magdalene (Florida) | 2,045.38 mi (3,291.72 km) |
| Helena to Lake Mary (Florida) | 2,060.35 mi (3,315.81 km) |
| Helena to Lake Monticello (Virginia) | 1,807.92 mi (2,909.56 km) |
| Helena to Lake Morton-Berrydale (Washington) | 477.81 mi (768.97 km) |
| Helena to Lake Norman of Catawba (North Carolina) | 1,770.43 mi (2,849.23 km) |
| Helena to Lake Oswego (Oregon) | 518.63 mi (834.66 km) |
| Helena to Lake Ridge (Virginia) | 1,830.29 mi (2,945.56 km) |
| Helena to Lake Ronkonkoma (New York) | 1,962.65 mi (3,158.58 km) |
| Helena to Lake Shore (Maryland) | 1,855.39 mi (2,985.96 km) |
