There are
2,829 mi
from Bethlehem, PA to Danville, CA
That's the driving distance. It would take 2 days 1 hour to go from Bethlehem, Pennsylvania to Danville, California.
The flight distance (direct flight from Bethlehem, PA to Danville, CA) is 2,474.13 mi.
2,829 mi = 4,553.26 kms