Miles between Thornton, CO and Portsmouth, VA

There are
1,768 mi
from Thornton, CO to Portsmouth, VA

That's the driving distance. It would take 1 day 7 hours to go from Thornton, Colorado to Portsmouth, Virginia.

The flight distance (direct flight from Thornton, CO to Portsmouth, VA) is 1,560.93 mi.

1,768 mi = 1.61 kms