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 |
| Coordinates: |
47°30′0″N 111°18′2″W |
Mercer Island, WA
| City: | Mercer Island, WA |
| Country: | United States |
| Coordinates: |
47°34′14″N 122°13′19″W |
Time difference between Great Falls and Mercer Island
The time difference between Great Falls and Mercer Island is 23 hours. Mercer Island is 23 hours ahead of Great Falls. Current local time in Great Falls is 00:42 MST (2025-01-08) and time in Mercer Island is 23:42 PST (2025-01-07).