There are
1,844 mi
from Walnut Creek, CA to Texarkana, TX
That's the driving distance. It would take 1 day 8 hours to go from Walnut Creek, California to Texarkana, Texas.
The flight distance (direct flight from Walnut Creek, CA to Texarkana, TX) is 1,596.59 mi.
1,844 mi = 2,966.90 kms