There are
3,751 mi
from Anchorage, AK to St Peters, MO
That's the driving distance. It would take 3 days 2 hours to go from Anchorage, Alaska to St Peters, Missouri.
The flight distance (direct flight from Anchorage, AK to St Peters, MO) is 2,916.97 mi.
3,751 mi = 4.83 kms