Air Miles Calculator

Distance between Chicago, IL (ORD) and Brookings, SD (BKX)

Flight distance from Chicago to Brookings (Chicago O'Hare International Airport – Brookings Regional Airport) is 478 miles / 769 kilometers / 415 nautical miles. Estimated flight time is 1 hour 24 minutes.

Driving distance from Chicago (ORD) to Brookings (BKX) is 612 miles / 985 kilometers and travel time by car is about 10 hours 25 minutes.

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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Brookings Regional Airport
City: Brookings, SD
Country: United States Flag of United States
IATA Code: BKX
ICAO Code: KBKX
Coordinates: 44°18′17″N, 96°49′0″W

Time difference and current local times

There is no time difference between Chicago and Brookings.

Time Difference

Chicago, IL

 CDT

Brookings, SD

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 96 kg (211 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Brookings (BKX).

Distance:
478
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
478

Round trip?