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).
Estimated flight time from O'Hare International Airport (ORD) to Billings Logan International Airport (BIL) is 2 hours 30 minutes.
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).
Chicago to Billings flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Billings (BIL).