There are
2,604 mi
from Tacoma, WA to Slidell, LA
That's the driving distance. It would take 1 day 22 hours to go from Tacoma, Washington to Slidell, Louisiana.
The flight distance (direct flight from Tacoma, WA to Slidell, LA) is 2,090.99 mi.
2,604 mi = 3.22 kms