There are
1,866 mi
from Thornton, CO to Rutland, VT
That's the driving distance. It would take 1 day 10 hours to go from Thornton, Colorado to Rutland, Vermont.
The flight distance (direct flight from Thornton, CO to Rutland, VT) is 1,659.39 mi.
1,866 mi = 1.61 kms