There are
1,798 mi
from Ogden, UT to Slidell, LA
That's the driving distance. It would take 1 day 8 hours to go from Ogden, Utah to Slidell, Louisiana.
The flight distance (direct flight from Ogden, UT to Slidell, LA) is 1,449.87 mi.
1,798 mi = 1.61 kms