Air Miles Calculator

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

Distance from O'Hare International Airport to Buffalo Niagara International Airport is 473 miles / 762 kilometers / 411 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is 1 hour 23 minutes.

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
Buffalo

Chicago, IL

 CST

Buffalo, NY

 EST

Airport information


A 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

Map

Flight map from Chicago to Buffalo.

Frequent Flyer Miles Calculator

Chicago (ORD) → Buffalo (BUF).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
473
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
473

Round trip?