Distance between cities › USA › South Dakota › Chamberlain, SD › Distance from Chamberlain to Seattle–Tacoma International Airport Book Hotels

Distance from Chamberlain, SD to SEA Airport

Distance

1,345 mi

Time

23 hours 27 mins

Gas Cost

$123 - $239

Helpful Inaccurate

There are 1,133.85 miles from Chamberlain to Seattle–Tacoma International Airport (SEA) in northwest direction and 1,345 miles (2,164.57 kilometers) by car, following the I-90 route.

Chamberlain and SEA Airport are 23 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Chamberlain, SD to SEA Airport. The halfway point is Bozeman, MT.

Please note the time difference between Chamberlain, SD and SEA Airport is 2 hours. The current time in Chamberlain is 9:09 am and the current time in SEA Airport is 7:09 am.

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Lowest Price Rental Cars in Chamberlain, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Chamberlain »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.02 gallons of gas to cover the route between Chamberlain, SD and SEA Airport.

The estimated cost of gas to go from Chamberlain to SEA Airport is $173.08.

During the route, an average car will release 1,058.34 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 Chamberlain, SD and SEA Airport

If you want to meet halfway between Chamberlain, SD 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 45.659729 and -110.808075, or 45º 39' 35.0244" N, 110º 48' 29.07" W. This location is 672.53 miles away from Chamberlain, SD and SEA Airport and it would take approximately 11 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bozeman, MT, situated 719 miles from Chamberlain, SD and 683 miles from SEA Airport. It would take 10 hours 12 mins to go from Chamberlain to Bozeman and 9 hours 48 mins to go from SEA to Bozeman.