There are
352 mi
from Boise, ID to Cottonwood Heights, UT
That's the driving distance. It would take 5 hours 45 mins to go from Boise, Idaho to Cottonwood Heights, Utah.
The flight distance (direct flight from Boise, ID to Cottonwood Heights, UT) is 304.95 mi.
352 mi = 566.41 kms