Air Miles Calculator

Distance between New York, NY (LGA) and Washington D.C. (IAD)

Flight distance from New York to Washington D.C. (New York LaGuardia Airport – Washington Dulles International Airport) is 229 miles / 368 kilometers / 199 nautical miles. Estimated flight time is 55 minutes.

Driving distance from New York (LGA) to Washington D.C. (IAD) is 258 miles / 416 kilometers and travel time by car is about 4 hours 57 minutes.

Map of flight path and driving directions from New York to Washington D.C..

Shortest flight path between New York LaGuardia Airport (LGA) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from New York?

There are several ways to calculate distances between New York and Washington D.C.. Here are two common methods:

Vincenty's formula (applied above)
  • 228.624 miles
  • 367.935 kilometers
  • 198.669 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
  • 228.332 miles
  • 367.464 kilometers
  • 198.415 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 New York LaGuardia Airport
City: New York, NY
Country: United States Flag of United States
IATA Code: LGA
ICAO Code: KLGA
Coordinates: 40°46′37″N, 73°52′21″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

Time difference and current local times

There is no time difference between New York and Washington D.C..

Time Difference

New York, NY

 EST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 59 kg (129 pounds).

Frequent Flyer Miles Calculator

New York (LGA) → Washington D.C. (IAD).

Distance:
229
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
229

Round trip?