There are
1,215 mi
from Antioch, CA to Northglenn, CO
That's the driving distance. It would take 20 hours 57 mins to go from Antioch, California to Northglenn, Colorado.
The flight distance (direct flight from Antioch, CA to Northglenn, CO) is 912.06 mi.
1,215 mi = 1.61 kms