There are
2,711 mi
from Irvine, CA to Lansdowne, PA
That's the driving distance. It would take 2 days to go from Irvine, California to Lansdowne, Pennsylvania.
The flight distance (direct flight from Irvine, CA to Lansdowne, PA) is 2,368.80 mi.
2,711 mi = 3.22 kms