There are
856 mi
from Orem, UT to Sammamish, WA
That's the driving distance. It would take 15 hours 7 mins to go from Orem, Utah to Sammamish, Washington.
The flight distance (direct flight from Orem, UT to Sammamish, WA) is 722.83 mi.
856 mi = 1,377.90 kms