Air Miles Calculator

Distance between Chicago, IL (ORD) and Buffalo, NY (BUF)

Flight distance from Chicago to Buffalo (Chicago O'Hare International Airport – Buffalo Niagara International Airport) is 473 miles / 762 kilometers / 411 nautical miles. Estimated flight time is 1 hour 23 minutes.

Driving distance from Chicago (ORD) to Buffalo (BUF) is 556 miles / 895 kilometers and travel time by car is about 9 hours 59 minutes.

Map of flight path and driving directions from Chicago to Buffalo.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Buffalo Niagara International Airport (BUF).

How far is Buffalo from Chicago?

There are several ways to calculate distances between Chicago and Buffalo. Here are two common methods:

Vincenty's formula (applied above)
  • 473.235 miles
  • 761.598 kilometers
  • 411.230 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 472.019 miles
  • 759.641 kilometers
  • 410.173 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B 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

Time difference and current local times

The time difference between Chicago and Buffalo is 1 hour. Buffalo is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CST

Buffalo, NY

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 95 kg (209 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Buffalo (BUF).

Distance:
473
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
473

Round trip?