How far is St Augustine, FL, from Key West, FL?
The distance between Key West (Key West International Airport) and St Augustine (Northeast Florida Regional Airport) is 373 miles / 600 kilometers / 324 nautical miles.
The driving distance from Key West (EYW) to St Augustine (UST) is 471 miles / 758 kilometers, and travel time by car is about 9 hours 45 minutes.
Key West International Airport – Northeast Florida Regional Airport
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Distance from Key West to St Augustine
There are several ways to calculate the distance from Key West to St Augustine. Here are two standard methods:
Vincenty's formula (applied above)- 372.914 miles
- 600.147 kilometers
- 324.053 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- 374.207 miles
- 602.227 kilometers
- 325.177 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 Key West to St Augustine?
The estimated flight time from Key West International Airport to Northeast Florida Regional Airport is 1 hour and 12 minutes.
What is the time difference between Key West and St Augustine?
There is no time difference between Key West and St Augustine.
Flight carbon footprint between Key West International Airport (EYW) and Northeast Florida Regional Airport (UST)
On average, flying from Key West to St Augustine generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Key West to St Augustine
See the map of the shortest flight path between Key West International Airport (EYW) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Key West International Airport |
|---|---|
| City: | Key West, FL |
| Country: | United States  |
| IATA Code: | EYW |
| ICAO Code: | KEYW |
| Coordinates: | 24°33′21″N, 81°45′34″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 |