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

Flight distance from Washington D.C. to Buffalo (Washington Dulles International Airport – Buffalo Niagara International Airport) is 284 miles / 457 kilometers / 247 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from Washington D.C. (IAD) to Buffalo (BUF) is 377 miles / 607 kilometers and travel time by car is about 7 hours 36 minutes.

## Map of flight path and driving directions from Washington D.C. to Buffalo.

Shortest flight path between Washington Dulles International Airport (IAD) and Buffalo Niagara International Airport (BUF).

## How far is Buffalo from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Buffalo. Here are two common 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 – the shortest distance between two points).

## Airport information

A Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

B Buffalo Niagara International Airport
City: Buffalo, NY
Country: United States
IATA Code: BUF
ICAO Code: KBUF
Coordinates: 42°56′25″N, 78°43′55″W

## Time difference and current local times

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

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (147 pounds).

## Frequent Flyer Miles Calculator

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

Distance:
284
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
284

Round trip?