How far is Buffalo, NY, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Buffalo (Buffalo Niagara International Airport) is 531 miles / 855 kilometers / 461 nautical miles.
The driving distance from Rockford (RFD) to Buffalo (BUF) is 623 miles / 1002 kilometers, and travel time by car is about 11 hours 53 minutes.
Chicago Rockford International Airport – Buffalo Niagara International Airport
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Distance from Rockford to Buffalo
There are several ways to calculate the distance from Rockford to Buffalo. 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 Rockford to Buffalo?
The estimated flight time from Chicago Rockford International Airport to Buffalo Niagara International Airport is 1 hour and 30 minutes.
What is the time difference between Rockford and Buffalo?
The time difference between Rockford and Buffalo is 1 hour. Buffalo is 1 hour ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Buffalo Niagara International Airport (BUF)
On average, flying from Rockford to Buffalo 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 Rockford to Buffalo
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Buffalo Niagara International Airport (BUF).
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 | 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 |