How far is Decatur, IL, from Texarkana, AR?

The distance between Texarkana (Texarkana Regional Airport) and Decatur (Decatur Airport) is 524 miles / 843 kilometers / 455 nautical miles.

The driving distance from Texarkana (TXK) to Decatur (DEC) is 624 miles / 1004 kilometers, and travel time by car is about 11 hours 29 minutes.

Distance from Texarkana to Decatur

There are several ways to calculate the distance from Texarkana to Decatur. Here are two standard methods:

Vincenty's formula (applied above)

• 523.885 miles
• 843.112 kilometers
• 455.244 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 524.275 miles
• 843.739 kilometers
• 455.583 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).

How long does it take to fly from Texarkana to Decatur?

The estimated flight time from Texarkana Regional Airport to Decatur Airport is 1 hour and 29 minutes.

What is the time difference between Texarkana and Decatur?

There is no time difference between Texarkana and Decatur.

Flight carbon footprint between Texarkana Regional Airport (TXK) and Decatur Airport (DEC)

On average, flying from Texarkana to Decatur generates about 102 kg of CO2 per passenger, and 102 kilograms equals 225 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Texarkana to Decatur

See the map of the shortest flight path between Texarkana Regional Airport (TXK) and Decatur Airport (DEC).

Airport information

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

Destination	Decatur Airport
City:	Decatur, IL
Country:	United States
IATA Code:	DEC
ICAO Code:	KDEC
Coordinates:	39°50′4″N, 88°51′56″W