There are
2,682 mi
from Bethlehem, PA to Rialto, CA
That's the driving distance. It would take 1 day 23 hours to go from Bethlehem, Pennsylvania to Rialto, California.
The flight distance (direct flight from Bethlehem, PA to Rialto, CA) is 2,327.25 mi.
2,682 mi = 3.22 kms