There are
715 mi
from Napa, CA to Midvale, UT
That's the driving distance. It would take 12 hours 19 mins to go from Napa, California to Midvale, Utah.
The flight distance (direct flight from Napa, CA to Midvale, UT) is 576.78 mi.
715 mi = 1,150.50 kms