There are
2,042 mi
from Redwood City, CA to Macomb, IL
That's the driving distance. It would take 1 day 11 hours to go from Redwood City, California to Macomb, Illinois.
The flight distance (direct flight from Redwood City, CA to Macomb, IL) is 1,698.80 mi.
2,042 mi = 3,285.98 kms