Air Miles Calculator

Distance between St Louis, MO (STL) and St Augustine, FL (UST)

Flight distance from St Louis to St Augustine (St. Louis Lambert International Airport – Northeast Florida Regional Airport) is 795 miles / 1280 kilometers / 691 nautical miles. Estimated flight time is 2 hours 0 minutes.

Driving distance from St Louis (STL) to St Augustine (UST) is 944 miles / 1520 kilometers and travel time by car is about 16 hours 26 minutes.

Map of flight path and driving directions from St Louis to St Augustine.

Shortest flight path between St. Louis Lambert International Airport (STL) and Northeast Florida Regional Airport (UST).

How far is St Augustine from St Louis?

There are several ways to calculate distances between St Louis and St Augustine. Here are two common methods:

Vincenty's formula (applied above)
  • 795.047 miles
  • 1279.505 kilometers
  • 690.877 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
  • 795.427 miles
  • 1280.116 kilometers
  • 691.207 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W

Time difference and current local times

The time difference between St Louis and St Augustine is 1 hour. St Augustine is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CST

St Augustine, FL

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 134 kg (296 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → St Augustine (UST).

Distance:
795
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
795

Round trip?