How far is St Augustine, FL, from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and St Augustine (Northeast Florida Regional Airport) is 660 miles / 1062 kilometers / 574 nautical miles.
The driving distance from Washington D.C. (DCA) to St Augustine (UST) is 743 miles / 1195 kilometers, and travel time by car is about 13 hours 46 minutes.
Ronald Reagan Washington National Airport – Northeast Florida Regional Airport
Search flights
Distance from Washington D.C. to St Augustine
There are several ways to calculate the distance from Washington D.C. to St Augustine. Here are two standard methods:
Vincenty's formula (applied above)- 660.190 miles
- 1062.473 kilometers
- 573.690 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 661.349 miles
- 1064.339 kilometers
- 574.697 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).
How long does it take to fly from Washington D.C. to St Augustine?
The estimated flight time from Ronald Reagan Washington National Airport to Northeast Florida Regional Airport is 1 hour and 44 minutes.
What is the time difference between Washington D.C. and St Augustine?
There is no time difference between Washington D.C. and St Augustine.
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Northeast Florida Regional Airport (UST)
On average, flying from Washington D.C. to St Augustine generates about 120 kg of CO2 per passenger, and 120 kilograms equals 265 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to St Augustine
See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
| Destination | Northeast Florida Regional Airport |
|---|---|
| City: | St Augustine, FL |
| Country: | United States |
| IATA Code: | UST |
| ICAO Code: | KSGJ |
| Coordinates: | 29°57′33″N, 81°20′23″W |