There are
1,665 mi
from Irvine, CA to Sulphur, LA
That's the driving distance. It would take 1 day 4 hours to go from Irvine, California to Sulphur, Louisiana.
The flight distance (direct flight from Irvine, CA to Sulphur, LA) is 1,447.54 mi.
1,665 mi = 1.61 kms