Air Miles Calculator

Distance between Louisville, KY (SDF) and St Augustine, FL (UST)

Flight distance from Louisville to St Augustine (Louisville International Airport – Northeast Florida Regional Airport) is 620 miles / 997 kilometers / 538 nautical miles. Estimated flight time is 1 hour 40 minutes.

Driving distance from Louisville (SDF) to St Augustine (UST) is 795 miles / 1279 kilometers and travel time by car is about 13 hours 48 minutes.

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

Shortest flight path between Louisville International Airport (SDF) and Northeast Florida Regional Airport (UST).

How far is St Augustine from Louisville?

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

Vincenty's formula (applied above)
  • 619.630 miles
  • 997.197 kilometers
  • 538.443 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
  • 620.672 miles
  • 998.875 kilometers
  • 539.349 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 Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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

There is no time difference between Louisville and St Augustine.

Time Difference

Louisville, KY

 EST

St Augustine, FL

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 115 kg (254 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → St Augustine (UST).

Distance:
620
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
620

Round trip?