There are
2,718 mi
from Mission Viejo, CA to Lansdowne, PA
That's the driving distance. It would take 2 days to go from Mission Viejo, California to Lansdowne, Pennsylvania.
The flight distance (direct flight from Mission Viejo, CA to Lansdowne, PA) is 2,364.57 mi.
2,718 mi = 3.22 kms