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).
Time difference and current local times
The time difference between Seattle and Springfield is 2 hours. Springfield is 2 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 193 kg (425 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Springfield (SPI).