The flight distance from Lancaster Airport to Washington Dulles International Airport is:

101 miles / 163 km

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Flight path from LNS to IAD

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Distance from LNS to IAD

The total distance from LNS to IAD is 101 miles.

This is equivalent to 163 kilometers or 88 nautical miles.

Your trip begins at Lancaster Airport in Lancaster, Pennsylvania.
It ends at Washington Dulles International Airport in Dulles, Virginia.

Your flight direction from LNS to IAD is Southwest (-142 degrees from North).

The distance calculator helps you figure out how far it is to fly from LNS to IAD. It does this by computing the straight line flying distance ("as the crow flies"). It uses the great circle formula to compute the total travel mileage.

Lancaster Airport

IATA: LNS
ICAO: KLNS
FAA: LNS
City: Lancaster
State: Pennsylvania
Zip code: 17601
Country: United States
Category: airports

Washington Dulles International Airport

IATA: IAD
ICAO: KIAD
FAA: IAD
City: Dulles
State: Virginia
Zip code: 20166
Country: United States
Category: airports

Flight distance calculator

Travelmath provides an online flight distance calculator to get the distance between cities. You can also compare all types of locations including airports, cities, states, countries, or zip codes to find the distance between any two points. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips.