There are
1,775 mi
from Ridgewood, NJ to Louisville, CO
That's the driving distance. It would take 1 day 8 hours to go from Ridgewood, New Jersey to Louisville, Colorado.
The flight distance (direct flight from Ridgewood, NJ to Louisville, CO) is 1,622.94 mi.
1,775 mi = 2,856.26 kms