There are
2,899 mi
from Redwood City, CA to Yeadon, PA
That's the driving distance. It would take 2 days 2 hours to go from Redwood City, California to Yeadon, Pennsylvania.
The flight distance (direct flight from Redwood City, CA to Yeadon, PA) is 2,509.21 mi.
2,899 mi = 4,665.62 kms