There are
1,812 mi
from Layton, UT to Petal, MS
That's the driving distance. It would take 1 day 8 hours to go from Layton, Utah to Petal, Mississippi.
The flight distance (direct flight from Layton, UT to Petal, MS) is 1,426.98 mi.
1,812 mi = 2,916.54 kms