# 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
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
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.

EDT

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?