Map of flight path and driving directions from Chicago to Dallas.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Dallas Love Field (DAL).
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)
- 798.248 miles
- 1284.655 kilometers
- 693.658 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
- 798.477 miles
- 1285.024 kilometers
- 693.858 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).
Time difference and current local times
There is no time difference between Chicago and Dallas.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 135 kg (297 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Dallas (DAL).