There are
1,676 mi
from Troy, MI to Cottonwood Heights, UT
That's the driving distance. It would take 1 day 5 hours to go from Troy, Michigan to Cottonwood Heights, Utah.
The flight distance (direct flight from Troy, MI to Cottonwood Heights, UT) is 1,481.97 mi.
1,676 mi = 1.61 kms