There are
1,781 mi
from Thornton, CO to Vineland, NJ
That's the driving distance. It would take 1 day 8 hours to go from Thornton, Colorado to Vineland, New Jersey.
The flight distance (direct flight from Thornton, CO to Vineland, NJ) is 1,585.18 mi.
1,781 mi = 1.61 kms