Air Miles Calculator logo

How far is Buffalo, NY, from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and Buffalo (Buffalo Niagara International Airport) is 534 miles / 859 kilometers / 464 nautical miles.

The driving distance from Champaign (CMI) to Buffalo (BUF) is 637 miles / 1025 kilometers, and travel time by car is about 12 hours 8 minutes.

University of Illinois Willard Airport – Buffalo Niagara International Airport

Distance arrow
534
Miles
Distance arrow
859
Kilometers
Distance arrow
464
Nautical miles

Search flights

Distance from Champaign to Buffalo

There are several ways to calculate the distance from Champaign to Buffalo. Here are two standard methods:

Vincenty's formula (applied above)
  • 533.877 miles
  • 859.192 kilometers
  • 463.926 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
  • 532.780 miles
  • 857.427 kilometers
  • 462.973 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 Champaign to Buffalo?

The estimated flight time from University of Illinois Willard Airport to Buffalo Niagara International Airport is 1 hour and 30 minutes.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Buffalo Niagara International Airport (BUF)

On average, flying from Champaign to Buffalo generates about 104 kg of CO2 per passenger, and 104 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Champaign to Buffalo

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Buffalo Niagara International Airport (BUF).

Airport information

Origin University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W
Destination Buffalo Niagara International Airport
City: Buffalo, NY
Country: United States Flag of United States
IATA Code: BUF
ICAO Code: KBUF
Coordinates: 42°56′25″N, 78°43′55″W