Miles between Casper, WY and Mercer Island, WA

There are
1,091 mi
from Casper, WY to Mercer Island, WA

That's the driving distance. It would take 18 hours 42 mins to go from Casper, Wyoming to Mercer Island, Washington.

The flight distance (direct flight from Casper, WY to Mercer Island, WA) is 837.76 mi.

1,091 mi = 1,756.51 kms