How far is Rockford, IL, from Niagara Falls, NY?
The distance between Niagara Falls (Niagara Falls International Airport) and Rockford (Chicago Rockford International Airport) is 521 miles / 838 kilometers / 452 nautical miles.
The driving distance from Niagara Falls (IAG) to Rockford (RFD) is 618 miles / 994 kilometers, and travel time by car is about 11 hours 45 minutes.
Niagara Falls International Airport – Chicago Rockford International Airport
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Distance from Niagara Falls to Rockford
There are several ways to calculate the distance from Niagara Falls to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 520.709 miles
- 838.000 kilometers
- 452.484 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- 519.355 miles
- 835.821 kilometers
- 451.307 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 Niagara Falls to Rockford?
The estimated flight time from Niagara Falls International Airport to Chicago Rockford International Airport is 1 hour and 29 minutes.
What is the time difference between Niagara Falls and Rockford?
Flight carbon footprint between Niagara Falls International Airport (IAG) and Chicago Rockford International Airport (RFD)
On average, flying from Niagara Falls to Rockford generates about 102 kg of CO2 per passenger, and 102 kilograms equals 224 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Niagara Falls to Rockford
See the map of the shortest flight path between Niagara Falls International Airport (IAG) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Niagara Falls International Airport |
|---|---|
| City: | Niagara Falls, NY |
| Country: | United States  |
| IATA Code: | IAG |
| ICAO Code: | KIAG |
| Coordinates: | 43°6′26″N, 78°56′46″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 |