There are
2,604 mi
from Rialto, CA to Ephrata, PA
That's the driving distance. It would take 1 day 22 hours to go from Rialto, California to Ephrata, Pennsylvania.
The flight distance (direct flight from Rialto, CA to Ephrata, PA) is 2,286.21 mi.
2,604 mi = 4,190.17 kms