Distance between cities › USA › New York › Ossining, NY › Distance from Ossining to Demarest Book Hotels

Distance from Ossining, NY to Demarest, NJ

Distance

21 mi

Time

36 minutes

Gas Cost

$2 - $4

There are 15.17 miles from Ossining to Demarest in southwest direction and 21 miles (33.80 kilometers) by car, following the US-9 route.

Ossining and Demarest are 36 minutes far apart, if you drive non-stop .

This is the fastest route from Ossining, NY to Demarest, NJ. The halfway point is Nyack, NY.

Ossining, NY and Demarest, NJ are in the same time zone (EDT). Current time in both locations is 11:05 pm.

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Lowest Price Rental Cars in Ossining, NY

Planning on renting a car to go from Ossining, NY to Demarest, NJ? Here there are some offers to rent a car in Ossining, NY

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ossining »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.83 gallons of gas to cover the route between Ossining, NY and Demarest, NJ.

The estimated cost of gas to go from Ossining to Demarest is $2.64.

During the route, an average car will release 16.17 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Ossining, NY and Demarest, NJ

If you want to meet halfway between Ossining, NY and Demarest, NJ or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.072437 and -73.915443, or 41º 4' 20.7732" N, 73º 54' 55.5948" W. This location is 10.27 miles away from Ossining, NY and Demarest, NJ and it would take approximately 18 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Nyack, NY, situated 13 miles from Ossining, NY and 10 miles from Demarest, NJ. It would take 19 minutes to go from Ossining to Nyack and 16 minutes to go from Demarest to Nyack.