| Helena to Glen Burnie (Maryland) | 1,848.01 mi (2,974.09 km) |
| Helena to Glen Carbon (Illinois) | 1,237.90 mi (1,992.21 km) |
| Helena to Glen Cove (New York) | 1,936.98 mi (3,117.27 km) |
| Helena to Glen Ellyn (Illinois) | 1,224.92 mi (1,971.32 km) |
| Helena to Glen Rock (New Jersey) | 1,910.87 mi (3,075.24 km) |
| Helena to Glendale (Arizona) | 899.48 mi (1,447.58 km) |
| Helena to Glendale (California) | 917.47 mi (1,476.53 km) |
| Helena to Glendale (Wisconsin) | 1,199.00 mi (1,929.60 km) |
| Helena to Glendale Heights (Illinois) | 1,222.72 mi (1,967.78 km) |
| Helena to Glendora (California) | 912.70 mi (1,468.84 km) |
| Helena to Glenmont (Maryland) | 1,829.97 mi (2,945.05 km) |
| Helena to Glenn Dale (Maryland) | 1,844.27 mi (2,968.07 km) |
| Helena to Glenn Heights (Texas) | 1,258.02 mi (2,024.59 km) |
| Helena to Glenpool (Oklahoma) | 1,106.48 mi (1,780.70 km) |
| Helena to Glens Falls (New York) | 1,871.28 mi (3,011.54 km) |
