There are
2,554 mi
from Fullerton, CA to Knightdale, NC
That's the driving distance. It would take 1 day 21 hours to go from Fullerton, California to Knightdale, North Carolina.
The flight distance (direct flight from Fullerton, CA to Knightdale, NC) is 2,225.96 mi.
2,554 mi = 3.22 kms