Map of flight path and driving directions from Champaign to Texarkana.
Shortest flight path between University of Illinois Willard Airport (CMI) and Texarkana Regional Airport (TXK).
How far is Texarkana from Champaign?
There are several ways to calculate distances between Champaign and Texarkana. Here are two common methods:Vincenty's formula (applied above)
- 553.525 miles
- 890.813 kilometers
- 481.000 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
- 553.852 miles
- 891.339 kilometers
- 481.285 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
There is no time difference between Champaign and Texarkana.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 107 kg (235 pounds).
Frequent Flyer Miles Calculator
Champaign (CMI) → Texarkana (TXK).