There are
2,730 mi
from Rocklin, CA to Coatesville, PA
That's the driving distance. It would take 1 day 23 hours to go from Rocklin, California to Coatesville, Pennsylvania.
The flight distance (direct flight from Rocklin, CA to Coatesville, PA) is 2,399.87 mi.
2,730 mi = 4,393.27 kms