Air Miles Calculator logo

How far is Washington D.C. from Lafayette, LA?

The distance between Lafayette (Lafayette Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 1022 miles / 1645 kilometers / 888 nautical miles.

The driving distance from Lafayette (LFT) to Washington D.C. (IAD) is 1183 miles / 1904 kilometers, and travel time by car is about 21 hours 49 minutes.

Lafayette Regional Airport – Washington Dulles International Airport

Distance arrow
1022
Miles
Distance arrow
1645
Kilometers
Distance arrow
888
Nautical miles

Search flights

Distance from Lafayette to Washington D.C.

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

Vincenty's formula (applied above)
  • 1022.223 miles
  • 1645.108 kilometers
  • 888.287 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
  • 1021.599 miles
  • 1644.104 kilometers
  • 887.745 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 Lafayette to Washington D.C.?

The estimated flight time from Lafayette Regional Airport to Washington Dulles International Airport is 2 hours and 26 minutes.

Flight carbon footprint between Lafayette Regional Airport (LFT) and Washington Dulles International Airport (IAD)

On average, flying from Lafayette to Washington D.C. generates about 152 kg of CO2 per passenger, and 152 kilograms equals 336 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Lafayette Regional Airport (LFT) and Washington Dulles International Airport (IAD).

Airport information

Origin Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W
Destination 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