Map of flight path and driving directions from Chicago to Brookings.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Brookings Regional Airport (BKX).
How far is Brookings from Chicago?
There are several ways to calculate distances between Chicago and Brookings. Here are two common methods:Vincenty's formula (applied above)
- 477.969 miles
- 769.217 kilometers
- 415.344 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
- 476.881 miles
- 767.465 kilometers
- 414.398 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 Brookings.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 95 kg (210 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Brookings (BKX).