Map of flight path and driving directions from Spokane to Texarkana.
Shortest flight path between Spokane International Airport (GEG) and Texarkana Regional Airport (TXK).
How far is Texarkana from Spokane?
There are several ways to calculate distances between Spokane and Texarkana. Here are two common methods:Vincenty's formula (applied above)
- 1567.550 miles
- 2522.728 kilometers
- 1362.164 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
- 1565.959 miles
- 2520.166 kilometers
- 1360.781 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).
Time difference and current local times
The time difference between Spokane and Texarkana is 2 hours. Texarkana is 2 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 184 kg (405 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Texarkana (TXK).