Distance between cities › USA › Vermont › Castleton, VT › Distance from Castleton to Islip Book Hotels

Distance from Castleton, VT to Islip, NY

Distance

279 mi

Time

5 hours 55 mins

Gas Cost

$26 - $50

There are 199.05 miles from Castleton to Islip in south direction and 279 miles (449.01 kilometers) by car, following the I-87 route.

Castleton and Islip are 5 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Castleton, VT to Islip, NY.

Castleton, VT and Islip, NY are in the same time zone (EDT). Current time in both locations is 12:54 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Castleton, VT to Islip, NY:

Lowest Price Rental Cars in Castleton, VT

Planning on renting a car to go from Castleton, VT to Islip, NY? Here there are some offers to rent a car in Castleton, VT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Castleton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 11.19 gallons of gas to cover the route between Castleton, VT and Islip, NY.

The estimated cost of gas to go from Castleton to Islip is $35.86.

During the route, an average car will release 219.27 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 Castleton, VT and Islip, NY

If you want to meet halfway between Castleton, VT and Islip, NY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.007767 and -74.001175, or 42º 0' 27.9612" N, 74º 0' 4.23" W. This location is 139.34 miles away from Castleton, VT and Islip, NY and it would take approximately 2 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ruby, NY, situated 142 miles from Castleton, VT and 142 miles from Islip, NY. It would take 3 hours 9 mins to go from Castleton to Ruby and 3 hours 10 mins to go from Islip to Ruby.