There are
1,782 mi
from Denver, CO to Cliffside Park, NJ
That's the driving distance. It would take 1 day 8 hours to go from Denver, Colorado to Cliffside Park, New Jersey.
The flight distance (direct flight from Denver, CO to Cliffside Park, NJ) is 1,627.10 mi.
1,782 mi = 1.61 kms