Map of flight path and driving directions from Chicago to Billings.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Billings Logan International Airport (BIL).
How far is Billings from Chicago?
There are several ways to calculate distances between Chicago and Billings. Here are two common methods:Vincenty's formula (applied above)
- 1060.466 miles
- 1706.655 kilometers
- 921.520 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
- 1057.807 miles
- 1702.375 kilometers
- 919.209 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
The time difference between Chicago and Billings is 1 hour. Billings is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 155 kg (341 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Billings (BIL).