There are
1,084 mi
from Olathe, KS to Farmington, UT
That's the driving distance. It would take 18 hours 35 mins to go from Olathe, Kansas to Farmington, Utah.
The flight distance (direct flight from Olathe, KS to Farmington, UT) is 914.33 mi.
1,084 mi = 1.61 kms