Distance: IAD to BUF
Washington Dulles International Airport ↔ Buffalo Niagara International Airport
Kilometers
457
km
Miles
284
mi
Nautical Miles
247
nm
Route Map
Distance & Flight Information
- Great-Circle Distance
- 457 km
- Distance (Miles)
- 284 mi
- Distance (Nautical Miles)
- 247 nm
- Estimated Flight Time
- ~1h 16m
- Initial Bearing
- 346.9° (NNW)