How far is St Augustine, FL, from Decatur, IL?
The distance between Decatur (Decatur Airport) and St Augustine (Northeast Florida Regional Airport) is 803 miles / 1292 kilometers / 698 nautical miles.
The driving distance from Decatur (DEC) to St Augustine (UST) is 992 miles / 1596 kilometers, and travel time by car is about 18 hours 34 minutes.
Decatur Airport – Northeast Florida Regional Airport
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Distance from Decatur to St Augustine
There are several ways to calculate the distance from Decatur to St Augustine. Here are two standard methods:
Vincenty's formula (applied above)- 803.074 miles
- 1292.423 kilometers
- 697.853 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- 803.905 miles
- 1293.760 kilometers
- 698.574 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 Decatur to St Augustine?
The estimated flight time from Decatur Airport to Northeast Florida Regional Airport is 2 hours and 1 minutes.
What is the time difference between Decatur and St Augustine?
Flight carbon footprint between Decatur Airport (DEC) and Northeast Florida Regional Airport (UST)
On average, flying from Decatur to St Augustine generates about 135 kg of CO2 per passenger, and 135 kilograms equals 298 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to St Augustine
See the map of the shortest flight path between Decatur Airport (DEC) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″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 |