How far is Buffalo, NY, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Buffalo (Buffalo Niagara International Airport) is 568 miles / 914 kilometers / 494 nautical miles.
The driving distance from Decatur (DEC) to Buffalo (BUF) is 674 miles / 1085 kilometers, and travel time by car is about 12 hours 49 minutes.
Decatur Airport – Buffalo Niagara International Airport
Search flights
Distance from Decatur to Buffalo
There are several ways to calculate the distance from Decatur to Buffalo. Here are two standard methods:
Vincenty's formula (applied above)- 568.124 miles
- 914.307 kilometers
- 493.686 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- 566.965 miles
- 912.441 kilometers
- 492.679 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 Decatur to Buffalo?
The estimated flight time from Decatur Airport to Buffalo Niagara International Airport is 1 hour and 34 minutes.
What is the time difference between Decatur and Buffalo?
The time difference between Decatur and Buffalo is 1 hour. Buffalo is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Buffalo Niagara International Airport (BUF)
On average, flying from Decatur to Buffalo generates about 109 kg of CO2 per passenger, and 109 kilograms equals 239 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Buffalo
See the map of the shortest flight path between Decatur Airport (DEC) and Buffalo Niagara International Airport (BUF).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″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 |