There are
2,650 mi
from Rialto, CA to Phoenixville, PA
That's the driving distance. It would take 1 day 23 hours to go from Rialto, California to Phoenixville, Pennsylvania.
The flight distance (direct flight from Rialto, CA to Phoenixville, PA) is 2,321.40 mi.
2,650 mi = 3.22 kms