There are
1,185 mi
from Thornton, CO to Chowchilla, CA
That's the driving distance. It would take 20 hours 54 mins to go from Thornton, Colorado to Chowchilla, California.
The flight distance (direct flight from Thornton, CO to Chowchilla, CA) is 847.04 mi.
1,185 mi = 1.61 kms