How far is Grand Forks, ND, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Grand Forks (Grand Forks International Airport) is 560 miles / 901 kilometers / 487 nautical miles.
The driving distance from Rockford (RFD) to Grand Forks (GFK) is 660 miles / 1062 kilometers, and travel time by car is about 12 hours 14 minutes.
Chicago Rockford International Airport – Grand Forks International Airport
Search flights
Distance from Rockford to Grand Forks
There are several ways to calculate the distance from Rockford to Grand Forks. Here are two standard methods:
Vincenty's formula (applied above)- 559.901 miles
- 901.073 kilometers
- 486.541 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- 559.283 miles
- 900.078 kilometers
- 486.003 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 Grand Forks?
The estimated flight time from Chicago Rockford International Airport to Grand Forks International Airport is 1 hour and 33 minutes.
What is the time difference between Rockford and Grand Forks?
There is no time difference between Rockford and Grand Forks.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Grand Forks International Airport (GFK)
On average, flying from Rockford to Grand Forks generates about 107 kg of CO2 per passenger, and 107 kilograms equals 237 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 Grand Forks
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Grand Forks International Airport (GFK).
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 | Grand Forks International Airport |
|---|---|
| City: | Grand Forks, ND |
| Country: | United States |
| IATA Code: | GFK |
| ICAO Code: | KGFK |
| Coordinates: | 47°56′57″N, 97°10′33″W |