How far is Longview, TX, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Longview (East Texas Regional Airport) is 609 miles / 980 kilometers / 529 nautical miles.

The driving distance from Decatur (DEC) to Longview (GGG) is 728 miles / 1172 kilometers, and travel time by car is about 13 hours 32 minutes.

Distance from Decatur to Longview

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

Vincenty's formula (applied above)

• 608.636 miles
• 979.504 kilometers
• 528.890 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

• 609.151 miles
• 980.333 kilometers
• 529.338 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 Decatur to Longview?

The estimated flight time from Decatur Airport to East Texas Regional Airport is 1 hour and 39 minutes.

What is the time difference between Decatur and Longview?

There is no time difference between Decatur and Longview.

Flight carbon footprint between Decatur Airport (DEC) and East Texas Regional Airport (GGG)

On average, flying from Decatur to Longview generates about 114 kg of CO2 per passenger, and 114 kilograms equals 251 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Longview

See the map of the shortest flight path between Decatur Airport (DEC) and East Texas Regional Airport (GGG).

Airport information

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

Destination	East Texas Regional Airport
City:	Longview, TX
Country:	United States
IATA Code:	GGG
ICAO Code:	KGGG
Coordinates:	32°23′2″N, 94°42′41″W