How far is Williston, ND, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Williston (Williston Basin International Airport) is 827 miles / 1330 kilometers / 718 nautical miles.
The driving distance from Rockford (RFD) to Williston (XWA) is 1002 miles / 1612 kilometers, and travel time by car is about 18 hours 16 minutes.
Chicago Rockford International Airport – Williston Basin International Airport
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Distance from Rockford to Williston
There are several ways to calculate the distance from Rockford to Williston. Here are two standard methods:
Vincenty's formula (applied above)- 826.541 miles
- 1330.189 kilometers
- 718.245 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 824.933 miles
- 1327.601 kilometers
- 716.847 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).
How long does it take to fly from Rockford to Williston?
The estimated flight time from Chicago Rockford International Airport to Williston Basin International Airport is 2 hours and 3 minutes.
What is the time difference between Rockford and Williston?
The time difference between Rockford and Williston is 1 hour. Williston is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Williston Basin International Airport (XWA)
On average, flying from Rockford to Williston generates about 137 kg of CO2 per passenger, and 137 kilograms equals 303 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to Williston
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Williston Basin International Airport (XWA).
Airport information
| Origin | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States  |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |
| Destination | Williston Basin International Airport |
|---|---|
| City: | Williston, ND |
| Country: | United States |
| IATA Code: | XWA |
| ICAO Code: | KXWA |
| Coordinates: | 48°15′30″N, 103°44′55″W |