How far is Niagara Falls, NY, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Niagara Falls (Niagara Falls International Airport) is 521 miles / 838 kilometers / 452 nautical miles.
The driving distance from Rockford (RFD) to Niagara Falls (IAG) is 616 miles / 992 kilometers, and travel time by car is about 11 hours 43 minutes.
Chicago Rockford International Airport – Niagara Falls International Airport
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Distance from Rockford to Niagara Falls
There are several ways to calculate the distance from Rockford to Niagara Falls. 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 Rockford to Niagara Falls?
The estimated flight time from Chicago Rockford International Airport to Niagara Falls International Airport is 1 hour and 29 minutes.
What is the time difference between Rockford and Niagara Falls?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Niagara Falls International Airport (IAG)
On average, flying from Rockford to Niagara Falls 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 Rockford to Niagara Falls
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Niagara Falls International Airport (IAG).
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 | 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 |