How far is Chicago from Dallas?
There are several ways to calculate distances between Dallas and Chicago. 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).
Estimated flight time from Dallas Love Field (DAL) to O'Hare International Airport (ORD) is 2 hours 0 minutes.
Time difference and current local times
There is no time difference between Dallas and Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 135 kg (297 pounds).
Dallas to Chicago flight map.
Frequent Flyer Miles Calculator
Dallas (DAL) → Chicago (ORD).