There are
1,452 mi
from Thornton, CO to Wilkinsburg, PA
That's the driving distance. It would take 1 day 2 hours to go from Thornton, Colorado to Wilkinsburg, Pennsylvania.
The flight distance (direct flight from Thornton, CO to Wilkinsburg, PA) is 1,321.09 mi.
1,452 mi = 1.61 kms