Air Miles Calculator

Distance between Seattle, WA (BFI) and Springfield, IL (SPI)

Flight distance from Seattle to Springfield (Seattle Boeing Field – Springfield Abraham Lincoln Capital Airport) is 1704 miles / 2742 kilometers / 1481 nautical miles. Estimated flight time is 3 hours 43 minutes.

Driving distance from Seattle (BFI) to Springfield (SPI) is 2098 miles / 3376 kilometers and travel time by car is about 34 hours 36 minutes.

Map of flight path and driving directions from Seattle to Springfield.

Shortest flight path between Seattle Boeing Field (BFI) and Springfield Abraham Lincoln Capital Airport (SPI).

How far is Springfield from Seattle?

There are several ways to calculate distances between Seattle and Springfield. Here are two common methods:

Vincenty's formula (applied above)
  • 1703.853 miles
  • 2742.085 kilometers
  • 1480.608 nautical miles

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

Haversine formula
  • 1699.818 miles
  • 2735.591 kilometers
  • 1477.101 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).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

Time difference and current local times

The time difference between Seattle and Springfield is 2 hours. Springfield is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Springfield, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 193 kg (425 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Springfield (SPI).

Distance:
1704
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1704

Round trip?