Distance between Watertown and Helena
Distance from Watertown, SD to Helena, MT is 728 miles / 1171 kilometers.
Map showing the distance from Watertown to Helena
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Air distance: | miles km |
Watertown, SD
| City: | Watertown, SD |
| Country: | United States |
Helena, MT
| City: | Helena, MT |
| Country: | United States |
Time difference between Watertown and Helena
The time difference between Watertown and Helena is 1 hour. Helena is 1 hour behind Watertown. Current local time in Watertown is 21:19 CST (2025-03-01) and time in Helena is 20:19 MST (2025-03-01).