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

Distance from Castleton, VT to Grantham, NH

Distance

81 mi

Time

2 hours 10 mins

Gas Cost

$7 - $14

There are 51.74 miles from Castleton to Grantham in east direction and 81 miles (130.36 kilometers) by car, following the VT 103 route.

Castleton and Grantham are 2 hours 10 mins far apart, if you drive non-stop .

This is the fastest route from Castleton, VT to Grantham, NH.

Castleton, VT and Grantham, NH are in the same time zone (EDT). Current time in both locations is 1:54 am.

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Lowest Price Rental Cars in Castleton, VT

Planning on renting a car to go from Castleton, VT to Grantham, NH? 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 3.25 gallons of gas to cover the route between Castleton, VT and Grantham, NH.

The estimated cost of gas to go from Castleton to Grantham is $10.43.

During the route, an average car will release 63.76 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 Grantham, NH

If you want to meet halfway between Castleton, VT and Grantham, NH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.385925 and -72.603636, or 43º 23' 9.33" N, 72º 36' 13.0896" W. This location is 40.52 miles away from Castleton, VT and Grantham, NH and it would take approximately 1 hour 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Proctorsville, VT, situated 38 miles from Castleton, VT and 43 miles from Grantham, NH. It would take 57 minutes to go from Castleton to Proctorsville and 1 hour 13 mins to go from Grantham to Proctorsville.