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Distance from Augusta, IL to SEA Airport

Distance

1,984 mi

Time

1 day 11 hours

Gas Cost

$185 - $359

Helpful Inaccurate

There are 1,627.71 miles from Augusta to Seattle–Tacoma International Airport (SEA) in northwest direction and 1,984 miles (3,192.94 kilometers) by car, following the I-90 route.

Augusta and SEA Airport are 1 day 11 hours far apart, if you drive non-stop .

This is the fastest route from Augusta, IL to SEA Airport. The halfway point is Buffalo, WY.

Please note the time difference between Augusta, IL and SEA Airport is 2 hours. The current time in Augusta is 7:46 pm and the current time in SEA Airport is 5:46 pm.

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Lowest Price Rental Cars in Augusta, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Augusta »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 79.66 gallons of gas to cover the route between Augusta, IL and SEA Airport.

The estimated cost of gas to go from Augusta to SEA Airport is $259.85.

During the route, an average car will release 1,560.69 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 Augusta, IL and SEA Airport

If you want to meet halfway between Augusta, IL 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 44.224625 and -106.369278, or 44º 13' 28.65" N, 106º 22' 9.4008" W. This location is 991.76 miles away from Augusta, IL and SEA Airport and it would take approximately 17 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, WY, situated 1,051 miles from Augusta, IL and 988 miles from SEA Airport. It would take 15 hours 33 mins to go from Augusta to Buffalo and 14 hours 7 mins to go from SEA to Buffalo.