Map of flight path and driving directions from Washington D.C. to St Augustine.
Shortest flight path between Washington Dulles International Airport (IAD) and Northeast Florida Regional Airport (UST).
How far is St Augustine from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and St Augustine. Here are two common methods:Vincenty's formula (applied above)
- 657.672 miles
- 1058.420 kilometers
- 571.501 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
- 658.896 miles
- 1060.391 kilometers
- 572.565 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).
|A||Washington Dulles International Airport|
|B||Northeast Florida Regional Airport|
|City:||St Augustine, FL|
Time difference and current local times
There is no time difference between Washington D.C. and St Augustine.
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 120 kg (264 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → St Augustine (UST).