There are
1,725 mi
from Walnut Creek, CA to Mesquite, TX
That's the driving distance. It would take 1 day 6 hours to go from Walnut Creek, California to Mesquite, Texas.
The flight distance (direct flight from Walnut Creek, CA to Mesquite, TX) is 1,473.57 mi.
1,725 mi = 2,776.43 kms