There are
2,777 mi
from Clifton, NJ to Irvine, CA
That's the driving distance. It would take 2 days 1 hour to go from Clifton, New Jersey to Irvine, California.
The flight distance (direct flight from Clifton, NJ to Irvine, CA) is 2,423.85 mi.
2,777 mi = 4,468.57 kms