There are
1,990 mi
from Redwood City, CA to Davenport, IA
That's the driving distance. It would take 1 day 10 hours to go from Redwood City, California to Davenport, Iowa.
The flight distance (direct flight from Redwood City, CA to Davenport, IA) is 1,700.87 mi.
1,990 mi = 3,202.44 kms