Map of flight path and driving directions from Chicago to Williston.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Williston Basin International Airport (XWA).
How far is Williston from Chicago?
There are several ways to calculate distances between Chicago and Williston. Here are two common methods:Vincenty's formula (applied above)
- 885.316 miles
- 1424.778 kilometers
- 769.319 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
- 883.553 miles
- 1421.941 kilometers
- 767.787 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 Williston is 1 hour. Williston is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 142 kg (314 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Williston (XWA).