There are
1,760 mi
from Redwood City, CA to Newton, KS
That's the driving distance. It would take 1 day 6 hours to go from Redwood City, California to Newton, Kansas.
The flight distance (direct flight from Redwood City, CA to Newton, KS) is 1,356.02 mi.
1,760 mi = 2,831.96 kms