Air Miles Calculator

Distance between Buffalo, NY (BUF) and Washington D.C. (IAD)

Distance from Buffalo Niagara International Airport to Washington Dulles International Airport is 284 miles / 457 kilometers / 247 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 283.706 miles
  • 456.581 kilometers
  • 246.534 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
  • 284.010 miles
  • 457.069 kilometers
  • 246.798 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 Buffalo Niagara International Airport (BUF) to Washington Dulles International Airport (IAD) is 1 hour 2 minutes.

Time difference and current local times

There is no time difference between Buffalo and Washington D.C..

Time Difference

Buffalo
Washington D.C.

Buffalo, NY

 EST

Washington D.C.

 EST

Airport information


A 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

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

Map

Flight map from Buffalo to Washington D.C..

Frequent Flyer Miles Calculator

Buffalo (BUF) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
284
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
284

Round trip?