Air Miles Calculator

Distance between Louisville, KY (SDF) and Texarkana, AR (TXK)

Flight distance from Louisville to Texarkana (Louisville International Airport – Texarkana Regional Airport) is 566 miles / 911 kilometers / 492 nautical miles. Estimated flight time is 1 hour 34 minutes.

Driving distance from Louisville (SDF) to Texarkana (TXK) is 651 miles / 1048 kilometers and travel time by car is about 11 hours 8 minutes.

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

Shortest flight path between Louisville International Airport (SDF) and Texarkana Regional Airport (TXK).

How far is Texarkana from Louisville?

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

Vincenty's formula (applied above)
  • 566.028 miles
  • 910.933 kilometers
  • 491.864 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
  • 565.575 miles
  • 910.205 kilometers
  • 491.471 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 Texarkana Regional Airport
City: Texarkana, AR
Country: United States Flag of United States
IATA Code: TXK
ICAO Code: KTXK
Coordinates: 33°27′13″N, 93°59′27″W

Time difference and current local times

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

Time Difference

Louisville, KY

 EDT

Texarkana, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 108 kg (239 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Texarkana (TXK).

Distance:
566
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
566

Round trip?