There are
1,949 mi
from Redwood City, CA to Pharr, TX
That's the driving distance. It would take 1 day 9 hours to go from Redwood City, California to Pharr, Texas.
The flight distance (direct flight from Redwood City, CA to Pharr, TX) is 1,606.08 mi.
1,949 mi = 3,136.27 kms