How far is Key West, FL, from St Augustine, FL?
The distance between St Augustine (Northeast Florida Regional Airport) and Key West (Key West International Airport) is 373 miles / 600 kilometers / 324 nautical miles.
The driving distance from St Augustine (UST) to Key West (EYW) is 471 miles / 758 kilometers, and travel time by car is about 9 hours 45 minutes.
Northeast Florida Regional Airport – Key West International Airport
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Distance from St Augustine to Key West
There are several ways to calculate the distance from St Augustine to Key West. 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 St Augustine to Key West?
The estimated flight time from Northeast Florida Regional Airport to Key West International Airport is 1 hour and 12 minutes.
What is the time difference between St Augustine and Key West?
There is no time difference between St Augustine and Key West.
Flight carbon footprint between Northeast Florida Regional Airport (UST) and Key West International Airport (EYW)
On average, flying from St Augustine to Key West 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 St Augustine to Key West
See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Key West International Airport (EYW).
Airport information
| Origin | 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 |
| Destination | 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 |