# 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
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
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.

PST

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?