How far is Rockford, IL, from Duluth, MN?
The distance between Duluth (Duluth International Airport) and Rockford (Chicago Rockford International Airport) is 355 miles / 572 kilometers / 309 nautical miles.
The driving distance from Duluth (DLH) to Rockford (RFD) is 408 miles / 657 kilometers, and travel time by car is about 7 hours 45 minutes.
Duluth International Airport – Chicago Rockford International Airport
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Distance from Duluth to Rockford
There are several ways to calculate the distance from Duluth to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 355.371 miles
- 571.914 kilometers
- 308.809 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- 355.379 miles
- 571.927 kilometers
- 308.816 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 Duluth to Rockford?
The estimated flight time from Duluth International Airport to Chicago Rockford International Airport is 1 hour and 10 minutes.
What is the time difference between Duluth and Rockford?
Flight carbon footprint between Duluth International Airport (DLH) and Chicago Rockford International Airport (RFD)
On average, flying from Duluth to Rockford generates about 77 kg of CO2 per passenger, and 77 kilograms equals 170 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Duluth to Rockford
See the map of the shortest flight path between Duluth International Airport (DLH) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Duluth International Airport |
|---|---|
| City: | Duluth, MN |
| Country: | United States  |
| IATA Code: | DLH |
| ICAO Code: | KDLH |
| Coordinates: | 46°50′31″N, 92°11′36″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 |