There are
1,366 mi
from Redwood City, CA to Dumas, TX
That's the driving distance. It would take 1 day to go from Redwood City, California to Dumas, Texas.
The flight distance (direct flight from Redwood City, CA to Dumas, TX) is 1,126.25 mi.
1,366 mi = 2,199.07 kms