How far is Dallas from Chicago?
There are several ways to calculate distances between Chicago and Dallas. Here are two common methods:Vincenty's formula (applied above)
- 801.784 miles
- 1290.347 kilometers
- 696.732 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
- 801.971 miles
- 1290.647 kilometers
- 696.894 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).
Estimated flight time from O'Hare International Airport (ORD) to Dallas/Fort Worth International Airport (DFW) is 2 hours 1 minutes.
Time difference and current local times
There is no time difference between Chicago and Dallas.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 122 kg (269 pounds).
Chicago to Dallas flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Dallas (DFW).