There are
2,561 mi
from Irvine, CA to Knightdale, NC
That's the driving distance. It would take 1 day 21 hours to go from Irvine, California to Knightdale, North Carolina.
The flight distance (direct flight from Irvine, CA to Knightdale, NC) is 2,222.07 mi.
2,561 mi = 3.22 kms