Distance between Great Falls and Mercer Island
Distance from Great Falls, MT to Mercer Island, WA is 509 miles / 819 kilometers.
Map showing the distance from Great Falls to Mercer Island
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Air distance: | miles km |
Great Falls, MT
| City: | Great Falls, MT |
| Country: | United States |
Mercer Island, WA
| City: | Mercer Island, WA |
| Country: | United States |
Time difference between Great Falls and Mercer Island
The time difference between Great Falls and Mercer Island is 1 hour. Mercer Island is 1 hour behind Great Falls. Current local time in Great Falls is 06:25 MST (2025-02-18) and time in Mercer Island is 05:25 PST (2025-02-18).