There are
1,863 mi
from Iowa City, IA to Sammamish, WA
That's the driving distance. It would take 1 day 8 hours to go from Iowa City, Iowa to Sammamish, Washington.
The flight distance (direct flight from Iowa City, IA to Sammamish, WA) is 1,546.25 mi.
1,863 mi = 1.61 kms