There are
1,940 mi
from Walnut Creek, CA to Seabrook, TX
That's the driving distance. It would take 1 day 9 hours to go from Walnut Creek, California to Seabrook, Texas.
The flight distance (direct flight from Walnut Creek, CA to Seabrook, TX) is 1,649.87 mi.
1,940 mi = 3,122.52 kms