There are
2,930 mi
from Hartford, CT to Mercer Island, WA
That's the driving distance. It would take 2 days 4 hours to go from Hartford, Connecticut to Mercer Island, Washington.
The flight distance (direct flight from Hartford, CT to Mercer Island, WA) is 2,424.77 mi.
2,930 mi = 4,715.62 kms