Air Miles Calculator

Distance between Louisville, KY (SDF) and Highfill, AR (XNA)

Flight distance from Louisville to Highfill (Louisville International Airport – Northwest Arkansas National Airport) is 490 miles / 789 kilometers / 426 nautical miles. Estimated flight time is 1 hour 25 minutes.

Driving distance from Louisville (SDF) to Highfill (XNA) is 609 miles / 980 kilometers and travel time by car is about 10 hours 50 minutes.

Map of flight path and driving directions from Louisville to Highfill.

Shortest flight path between Louisville International Airport (SDF) and Northwest Arkansas National Airport (XNA).

How far is Highfill from Louisville?

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

Vincenty's formula (applied above)
  • 490.107 miles
  • 788.751 kilometers
  • 425.891 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
  • 489.108 miles
  • 787.143 kilometers
  • 425.023 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 Northwest Arkansas National Airport
City: Highfill, AR
Country: United States Flag of United States
IATA Code: XNA
ICAO Code: KXNA
Coordinates: 36°16′54″N, 94°18′24″W

Time difference and current local times

The time difference between Louisville and Highfill is 1 hour. Highfill is 1 hour behind Louisville.

Time Difference

Louisville, KY

 EDT

Highfill, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 97 kg (214 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Highfill (XNA).

Distance:
490
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
490

Round trip?