There are
1,152 mi
from Santa Fe, NM to Slidell, LA
That's the driving distance. It would take 20 hours 38 mins to go from Santa Fe, New Mexico to Slidell, Louisiana.
The flight distance (direct flight from Santa Fe, NM to Slidell, LA) is 1,006.73 mi.
1,152 mi = 1,854.51 kms