Miles between St George, UT and Mercer Island, WA

There are
1,121 mi
from St George, UT to Mercer Island, WA

That's the driving distance. It would take 19 hours 21 mins to go from St George, Utah to Mercer Island, Washington.

The flight distance (direct flight from St George, UT to Mercer Island, WA) is 846.59 mi.

1,121 mi = 1.61 kms