Map of flight path and driving directions from Seattle to St Augustine.
Shortest flight path between Seattle Boeing Field (BFI) and Northeast Florida Regional Airport (UST).
How far is St Augustine from Seattle?
There are several ways to calculate distances between Seattle and St Augustine. Here are two common methods:Vincenty's formula (applied above)
- 2483.601 miles
- 3996.968 kilometers
- 2158.190 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
- 2480.014 miles
- 3991.196 kilometers
- 2155.074 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 St Augustine is 3 hours. St Augustine is 3 hours ahead of Seattle.
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 273 kg (602 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → St Augustine (UST).