There are
2,177 mi
from Redwood City, CA to Merrillville, IN
That's the driving distance. It would take 1 day 13 hours to go from Redwood City, California to Merrillville, Indiana.
The flight distance (direct flight from Redwood City, CA to Merrillville, IN) is 1,868.76 mi.
2,177 mi = 3,503.40 kms