There are
3,176 mi
from Anchorage, AK to Thornton, CO
That's the driving distance. It would take 2 days 15 hours to go from Anchorage, Alaska to Thornton, Colorado.
The flight distance (direct flight from Anchorage, AK to Thornton, CO) is 2,388.34 mi.
3,176 mi = 4.83 kms