There are
2,037 mi
from Irvine, CA to Portage, IN
That's the driving distance. It would take 1 day 11 hours to go from Irvine, California to Portage, Indiana.
The flight distance (direct flight from Irvine, CA to Portage, IN) is 1,751.25 mi.
2,037 mi = 3.22 kms