Air Miles Calculator

Distance between Chicago, IL (ORD) and Williston, ND (XWA)

Flight distance from Chicago to Williston (Chicago O'Hare International Airport – Williston Basin International Airport) is 885 miles / 1425 kilometers / 769 nautical miles. Estimated flight time is 2 hours 10 minutes.

Driving distance from Chicago (ORD) to Williston (XWA) is 1054 miles / 1697 kilometers and travel time by car is about 18 hours 0 minutes.

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).

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 Williston Basin International Airport
City: Williston, ND
Country: United States Flag of United States
IATA Code: XWA
ICAO Code: KXWA
Coordinates: 48°15′30″N, 103°44′55″W

Time difference and current local times

The time difference between Chicago and Williston is 1 hour. Williston is 1 hour behind Chicago.

Time Difference

Chicago, IL

 CST

Williston, ND

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 142 kg (314 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Williston (XWA).

Distance:
885
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
885

Round trip?