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How far is Seattle, WA, from Springfield, IL?

The distance between Springfield (Springfield Abraham Lincoln Capital Airport) and Seattle (Seattle–Tacoma International Airport) is 1704 miles / 2742 kilometers / 1480 nautical miles.

The driving distance from Springfield (SPI) to Seattle (SEA) is 2106 miles / 3389 kilometers, and travel time by car is about 36 hours 51 minutes.

Springfield Abraham Lincoln Capital Airport – Seattle–Tacoma International Airport

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1704
Miles
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2742
Kilometers
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1480
Nautical miles

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Distance from Springfield to Seattle

There are several ways to calculate the distance from Springfield to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 1703.596 miles
  • 2741.673 kilometers
  • 1480.385 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1699.555 miles
  • 2735.168 kilometers
  • 1476.873 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Springfield to Seattle?

The estimated flight time from Springfield Abraham Lincoln Capital Airport to Seattle–Tacoma International Airport is 3 hours and 43 minutes.

Flight carbon footprint between Springfield Abraham Lincoln Capital Airport (SPI) and Seattle–Tacoma International Airport (SEA)

On average, flying from Springfield to Seattle generates about 193 kg of CO2 per passenger, and 193 kilograms equals 425 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Springfield to Seattle

See the map of the shortest flight path between Springfield Abraham Lincoln Capital Airport (SPI) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Springfield Abraham Lincoln Capital Airport
City: Springfield, IL
Country: United States Flag of United States
IATA Code: SPI
ICAO Code: KSPI
Coordinates: 39°50′38″N, 89°40′40″W
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W