There are
2,766 mi
from Ridgewood, NJ to Monrovia, CA
That's the driving distance. It would take 2 days 1 hour to go from Ridgewood, New Jersey to Monrovia, California.
The flight distance (direct flight from Ridgewood, NJ to Monrovia, CA) is 2,423.46 mi.
2,766 mi = 4,452.16 kms