There are
1,961 mi
from Walnut Creek, CA to Hidalgo, TX
That's the driving distance. It would take 1 day 10 hours to go from Walnut Creek, California to Hidalgo, Texas.
The flight distance (direct flight from Walnut Creek, CA to Hidalgo, TX) is 1,608.53 mi.
1,961 mi = 3,155.92 kms