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How far is Lebanon, NH, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Lebanon (Lebanon Municipal Airport (New Hampshire)) is 420 miles / 675 kilometers / 365 nautical miles.

The driving distance from Washington D.C. (IAD) to Lebanon (LEB) is 505 miles / 813 kilometers, and travel time by car is about 10 hours 18 minutes.

Washington Dulles International Airport – Lebanon Municipal Airport (New Hampshire)

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420
Miles
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675
Kilometers
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365
Nautical miles

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Distance from Washington D.C. to Lebanon

There are several ways to calculate the distance from Washington D.C. to Lebanon. Here are two standard methods:

Vincenty's formula (applied above)
  • 419.679 miles
  • 675.408 kilometers
  • 364.691 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 419.544 miles
  • 675.190 kilometers
  • 364.573 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).

How long does it take to fly from Washington D.C. to Lebanon?

The estimated flight time from Washington Dulles International Airport to Lebanon Municipal Airport (New Hampshire) is 1 hour and 17 minutes.

What is the time difference between Washington D.C. and Lebanon?

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

Flight carbon footprint between Washington Dulles International Airport (IAD) and Lebanon Municipal Airport (New Hampshire) (LEB)

On average, flying from Washington D.C. to Lebanon generates about 87 kg of CO2 per passenger, and 87 kilograms equals 191 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Lebanon Municipal Airport (New Hampshire) (LEB).

Airport information

Origin 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
Destination Lebanon Municipal Airport (New Hampshire)
City: Lebanon, NH
Country: United States Flag of United States
IATA Code: LEB
ICAO Code: KLEB
Coordinates: 43°37′33″N, 72°18′15″W