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

Distance from Castleton, VT to Onalaska, WA

Distance

2,876 mi

Time

2 days 5 hours

Gas Cost

$268 - $521

There are 2,385.08 miles from Castleton to Onalaska in west direction and 2,876 miles (4,628.47 kilometers) by car and ferry, following the I-90 route.

Castleton and Onalaska are 2 days 5 hours far apart, if you drive non-stop for 2 days 2 hours and take a ferry for 2 hours 30 mins .

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

Please note the time difference between Castleton, VT and Onalaska, WA is 3 hours. The current time in Castleton is 6:29 am and the current time in Onalaska is 3:29 am.

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Lowest Price Rental Cars in Castleton, VT

Planning on renting a car to go from Castleton, VT to Onalaska, 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 115.49 gallons of gas to cover the route between Castleton, VT and Onalaska, WA.

The estimated cost of gas to go from Castleton to Onalaska is $376.71.

During the route, an average car will release 2,262.59 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Castleton, VT and Onalaska, WA

If you want to meet halfway between Castleton, VT and Onalaska, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.708829 and -98.640646, or 43º 42' 31.7844" N, 98º 38' 26.3256" W. This location is 1,437.79 miles away from Castleton, VT and Onalaska, 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 White Lake, SD, situated 1,451 miles from Castleton, VT and 1,426 miles from Onalaska, WA. It would take 1 day 4 hours to go from Castleton to White Lake and 1 day to go from Onalaska to White Lake.