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

Distance from Castleton, VT to Sumner, WA

Distance

2,832 mi

Time

2 days 4 hours

Gas Cost

$236 - $459

There are 2,353.30 miles from Castleton to Sumner in west direction and 2,832 miles (4,557.66 kilometers) by car and ferry, following the I-90 route.

Castleton and Sumner are 2 days 4 hours far apart, if you drive non-stop for 2 days 1 hour and take a ferry for 2 hours 30 mins .

This is the fastest route from Castleton, VT to Sumner, WA.

Please note the time difference between Castleton, VT and Sumner, WA is 3 hours. The current time in Castleton is 2:16 am (Mar 12) and the current time in Sumner is 11:16 pm (Mar 11).

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Lowest Price Rental Cars in Castleton, VT

Planning on renting a car to go from Castleton, VT to Sumner, WA? 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 113.73 gallons of gas to cover the route between Castleton, VT and Sumner, WA.

The estimated cost of gas to go from Castleton to Sumner is $332.10.

During the route, an average car will release 2,228.27 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 $2.92 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Castleton, VT and Sumner, WA

If you want to meet halfway between Castleton, VT and Sumner, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.695484 and -98.216737, or 43º 41' 43.7424" N, 98º 13' 0.2532" W. This location is 1,415.98 miles away from Castleton, VT and Sumner, WA and it would take approximately 1 day 2 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mount Vernon, SD, situated 1,429 miles from Castleton, VT and 1,406 miles from Sumner, WA. It would take 1 day 3 hours to go from Castleton to Mount Vernon and 1 day to go from Sumner to Mount Vernon.