How far is St Augustine, FL, from Huntsville, AL?
The distance between Huntsville (Huntsville International Airport) and St Augustine (Northeast Florida Regional Airport) is 453 miles / 729 kilometers / 393 nautical miles.
The driving distance from Huntsville (HSV) to St Augustine (UST) is 572 miles / 921 kilometers, and travel time by car is about 10 hours 59 minutes.
Huntsville International Airport – Northeast Florida Regional Airport
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Distance from Huntsville to St Augustine
There are several ways to calculate the distance from Huntsville to St Augustine. Here are two standard methods:
Vincenty's formula (applied above)- 452.707 miles
- 728.561 kilometers
- 393.392 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- 452.872 miles
- 728.827 kilometers
- 393.535 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 Huntsville to St Augustine?
The estimated flight time from Huntsville International Airport to Northeast Florida Regional Airport is 1 hour and 21 minutes.
What is the time difference between Huntsville and St Augustine?
Flight carbon footprint between Huntsville International Airport (HSV) and Northeast Florida Regional Airport (UST)
On average, flying from Huntsville to St Augustine generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Huntsville to St Augustine
See the map of the shortest flight path between Huntsville International Airport (HSV) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Huntsville International Airport |
|---|---|
| City: | Huntsville, AL |
| Country: | United States  |
| IATA Code: | HSV |
| ICAO Code: | KHSV |
| Coordinates: | 34°38′13″N, 86°46′30″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 |