Air Miles Calculator logo

Distance between Dallas, TX (DFW) and Decatur, IL (DEC)

Flight distance from Dallas to Decatur (Dallas/Fort Worth International Airport – Decatur Airport) is 660 miles / 1062 kilometers / 574 nautical miles. Estimated flight time is 1 hour 44 minutes.

Driving distance from Dallas (DFW) to Decatur (DEC) is 774 miles / 1246 kilometers and travel time by car is about 14 hours 49 minutes.

Dallas – Decatur

Distance arrow
660
Miles
Distance arrow
1062
Kilometers
Distance arrow
574
Nautical miles

How far is Decatur from Dallas?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 660.103 miles
  • 1062.333 kilometers
  • 573.614 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
  • 660.101 miles
  • 1062.330 kilometers
  • 573.612 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).

Flight Duration

Estimated flight time from Dallas to Decatur is 1 hour 44 minutes.

Time difference and current local times

There is no time difference between Dallas and Decatur.

Dallas time to Decatur time converter

Time in Dallas: 00:00 ⇆ Time in Decatur: 00:00

Current local times

Dallas, TX

 CDT

Decatur, IL

 CDT

Carbon dioxide emissions

On average flying from Dallas to Decatur generates about 120 kg of CO2 per passenger, 120 kilograms is equal to 265 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dallas to Decatur

Shortest flight path between Dallas/Fort Worth International Airport (DFW) and Decatur Airport (DEC).

Airport information

Origin Dallas/Fort Worth International Airport
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DFW
ICAO Code: KDFW
Coordinates: 32°53′48″N, 97°2′16″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W