There are
2,661 mi
from Oceanside, CA to Ephrata, PA
That's the driving distance. It would take 1 day 23 hours to go from Oceanside, California to Ephrata, Pennsylvania.
The flight distance (direct flight from Oceanside, CA to Ephrata, PA) is 2,311.74 mi.
2,661 mi = 4,283.19 kms