Air Miles Calculator

Distance between Washington D.C. (IAD) and Texarkana, AR (TXK)

Flight distance from Washington D.C. to Texarkana (Washington Dulles International Airport – Texarkana Regional Airport) is 997 miles / 1604 kilometers / 866 nautical miles. Estimated flight time is 2 hours 23 minutes.

Driving distance from Washington D.C. (IAD) to Texarkana (TXK) is 1135 miles / 1827 kilometers and travel time by car is about 19 hours 37 minutes.

Map of flight path and driving directions from Washington D.C. to Texarkana.

Shortest flight path between Washington Dulles International Airport (IAD) and Texarkana Regional Airport (TXK).

How far is Texarkana from Washington D.C.?

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

Vincenty's formula (applied above)
  • 996.702 miles
  • 1604.037 kilometers
  • 866.111 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
  • 995.057 miles
  • 1601.389 kilometers
  • 864.681 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″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 Washington D.C. and Texarkana is 1 hour. Texarkana is 1 hour behind Washington D.C..

Time Difference

Washington D.C.

 EDT

Texarkana, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 151 kg (332 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Texarkana (TXK).

Distance:
997
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
997

Round trip?