Miles between Allentown, PA and Ontario, CA

There are
2,652 mi
from Allentown, PA to Ontario, CA

That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to Ontario, California.

The flight distance (direct flight from Allentown, PA to Ontario, CA) is 2,336.96 mi.

2,652 mi = 4,267.92 kms