How far is Rockford, IL, from Buffalo, NY?
The distance between Buffalo (Buffalo Niagara International Airport) and Rockford (Chicago Rockford International Airport) is 531 miles / 855 kilometers / 461 nautical miles.
The driving distance from Buffalo (BUF) to Rockford (RFD) is 624 miles / 1004 kilometers, and travel time by car is about 11 hours 52 minutes.
Buffalo Niagara International Airport – Chicago Rockford International Airport
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Distance from Buffalo to Rockford
There are several ways to calculate the distance from Buffalo to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 530.983 miles
- 854.534 kilometers
- 461.412 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- 529.595 miles
- 852.300 kilometers
- 460.205 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 Buffalo to Rockford?
The estimated flight time from Buffalo Niagara International Airport to Chicago Rockford International Airport is 1 hour and 30 minutes.
What is the time difference between Buffalo and Rockford?
The time difference between Buffalo and Rockford is 1 hour. Rockford is 1 hour behind Buffalo.
Flight carbon footprint between Buffalo Niagara International Airport (BUF) and Chicago Rockford International Airport (RFD)
On average, flying from Buffalo to Rockford generates about 103 kg of CO2 per passenger, and 103 kilograms equals 227 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Buffalo to Rockford
See the map of the shortest flight path between Buffalo Niagara International Airport (BUF) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Buffalo Niagara International Airport |
|---|---|
| City: | Buffalo, NY |
| Country: | United States  |
| IATA Code: | BUF |
| ICAO Code: | KBUF |
| Coordinates: | 42°56′25″N, 78°43′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 |