Map of flight path and driving directions from Seattle to Columbia.
Shortest flight path between Seattle Boeing Field (BFI) and Columbia Regional Airport (COU).
How far is Columbia from Seattle?
There are several ways to calculate distances between Seattle and Columbia. Here are two common methods:Vincenty's formula (applied above)
- 1621.848 miles
- 2610.112 kilometers
- 1409.348 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
- 1618.302 miles
- 2604.404 kilometers
- 1406.266 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 Columbia is 2 hours. Columbia is 2 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 187 kg (413 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Columbia (COU).