Distance between cities › USA › Virginia › Castleton, VA › Distance from Castleton to Seattle–Tacoma International Airport Book Hotels

Distance from Castleton, VA to SEA Airport

Distance

2,723 mi

Time

2 days 1 hour

Gas Cost

$249 - $485

Helpful Inaccurate

There are 2,281.33 miles from Castleton to Seattle–Tacoma International Airport (SEA) in northwest direction and 2,723 miles (4,382.24 kilometers) by car, following the I-90 route.

Castleton and SEA Airport are 2 days 1 hour far apart, if you drive non-stop .

This is the fastest route from Castleton, VA to SEA Airport. The halfway point is Kennebec, SD.

Please note the time difference between Castleton, VA and SEA Airport is 3 hours. The current time in Castleton is 10:55 pm and the current time in SEA Airport is 7:55 pm.

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Lowest Price Rental Cars in Castleton, VA

Planning on renting a car to go from Castleton, VA to SEA Airport? Here there are some offers to rent a car in Castleton, VA

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 109.36 gallons of gas to cover the route between Castleton, VA and SEA Airport.

The estimated cost of gas to go from Castleton to SEA Airport is $350.39.

During the route, an average car will release 2,142.60 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, VA and SEA Airport

If you want to meet halfway between Castleton, VA and SEA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.882576 and -99.878288, or 43º 52' 57.2736" N, 99º 52' 41.8368" W. This location is 1,361.54 miles away from Castleton, VA and SEA Airport and it would take approximately 1 day to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennebec, SD, situated 1,427 miles from Castleton, VA and 1,373 miles from SEA Airport. It would take 21 hours 41 mins to go from Castleton to Kennebec and 19 hours 29 mins to go from SEA to Kennebec.