| Helena to Lemay (Missouri) | 1,232.88 mi (1,984.13 km) |
| Helena to Lemon Grove (California) | 993.76 mi (1,599.30 km) |
| Helena to Lemon Hill (California) | 735.33 mi (1,183.40 km) |
| Helena to Lemont (Illinois) | 1,234.16 mi (1,986.19 km) |
| Helena to Lemoore (California) | 816.90 mi (1,314.67 km) |
| Helena to Lenexa (Kansas) | 1,016.92 mi (1,636.57 km) |
| Helena to Lennox (California) | 935.49 mi (1,505.52 km) |
| Helena to Lenoir (North Carolina) | 1,733.31 mi (2,789.49 km) |
| Helena to Leominster (Massachusetts) | 1,979.47 mi (3,185.64 km) |
| Helena to Leon Valley (Texas) | 1,384.20 mi (2,227.65 km) |
| Helena to Levelland (Texas) | 1,032.26 mi (1,661.26 km) |
| Helena to Levittown (New York) | 1,946.77 mi (3,133.02 km) |
| Helena to Levittown (Pennsylvania) | 1,900.11 mi (3,057.94 km) |
| Helena to Lewisburg (Tennessee) | 1,514.15 mi (2,436.79 km) |
| Helena to Lewiston (Idaho) | 236.92 mi (381.29 km) |
