There are
2,607 mi
from Redwood City, CA to New Kensington, PA
That's the driving distance. It would take 1 day 21 hours to go from Redwood City, California to New Kensington, Pennsylvania.
The flight distance (direct flight from Redwood City, CA to New Kensington, PA) is 2,267.50 mi.
2,607 mi = 4,195.79 kms