# Distance between Champaign, IL (CMI) and Texarkana, AR (TXK)

Flight distance from Champaign to Texarkana (University of Illinois Willard Airport – Texarkana Regional Airport) is 554 miles / 891 kilometers / 481 nautical miles. Estimated flight time is 1 hour 32 minutes.

Driving distance from Champaign (CMI) to Texarkana (TXK) is 641 miles / 1032 kilometers and travel time by car is about 11 hours 6 minutes.

## 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).

## Airport information

A University of Illinois Willard Airport
City: Champaign, IL
Country: United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

B Texarkana Regional Airport
City: Texarkana, AR
Country: United States
IATA Code: TXK
ICAO Code: KTXK
Coordinates: 33°27′13″N, 93°59′27″W

## Time difference and current local times

There is no time difference between Champaign and Texarkana.

CST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 107 kg (235 pounds).

## Frequent Flyer Miles Calculator

Champaign (CMI) → Texarkana (TXK).

Distance:
554
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
554

Round trip?