How far is Rockford, IL, from Williston, ND?
The distance between Williston (Williston Basin International Airport) and Rockford (Chicago Rockford International Airport) is 827 miles / 1330 kilometers / 718 nautical miles.
The driving distance from Williston (XWA) to Rockford (RFD) is 1002 miles / 1612 kilometers, and travel time by car is about 18 hours 3 minutes.
Williston Basin International Airport – Chicago Rockford International Airport
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Distance from Williston to Rockford
There are several ways to calculate the distance from Williston to Rockford. 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 Williston to Rockford?
The estimated flight time from Williston Basin International Airport to Chicago Rockford International Airport is 2 hours and 3 minutes.
What is the time difference between Williston and Rockford?
The time difference between Williston and Rockford is 1 hour. Rockford is 1 hour ahead of Williston.
Flight carbon footprint between Williston Basin International Airport (XWA) and Chicago Rockford International Airport (RFD)
On average, flying from Williston to Rockford 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 Williston to Rockford
See the map of the shortest flight path between Williston Basin International Airport (XWA) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | 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 |
| Destination | 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 |