Distance between Boston, MA (BOS) and St Augustine, FL (UST)
Flight distance from Boston to St Augustine (Logan International Airport – Northeast Florida Regional Airport) is 1030 miles / 1658 kilometers / 895 nautical miles. Estimated flight time is 2 hours 27 minutes.
Driving distance from Boston (BOS) to St Augustine (UST) is 1186 miles / 1908 kilometers and travel time by car is about 21 hours 17 minutes.
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Boston - St Augustine
Map of flight path and driving directions from Boston to St Augustine.
Shortest flight path between Logan International Airport (BOS) and Northeast Florida Regional Airport (UST).
How far is St Augustine from Boston?
There are several ways to calculate distances between Boston and St Augustine. Here are two common methods:
Vincenty's formula (applied above)- 1030.400 miles
- 1658.268 kilometers
- 895.393 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- 1031.155 miles
- 1659.483 kilometers
- 896.049 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 | Logan International Airport |
|---|---|
| City: | Boston, MA |
| Country: | United States  |
| IATA Code: | BOS |
| ICAO Code: | KBOS |
| Coordinates: | 42°21′51″N, 71°0′18″W |
| B | 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 |
Time difference and current local times
There is no time difference between Boston and St Augustine.
Time Difference
Boston, MA
St Augustine, FL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 153 kg (337 pounds).
Frequent Flyer Miles Calculator
Boston (BOS) → St Augustine (UST).
In total
Round trip?