There are
1,830 mi
from Thornton, CO to Patchogue, NY
That's the driving distance. It would take 1 day 9 hours to go from Thornton, Colorado to Patchogue, New York.
The flight distance (direct flight from Thornton, CO to Patchogue, NY) is 1,675.36 mi.
1,830 mi = 1.61 kms