Air Miles Calculator

Distance between Lafayette, LA (LFT) and Washington D.C. (IAD)

Flight distance from Lafayette to Washington D.C. (Lafayette Regional Airport – Washington Dulles International Airport) is 1022 miles / 1645 kilometers / 888 nautical miles. Estimated flight time is 2 hours 26 minutes.

Driving distance from Lafayette (LFT) to Washington D.C. (IAD) is 1186 miles / 1908 kilometers and travel time by car is about 20 hours 39 minutes.

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

Shortest flight path between Lafayette Regional Airport (LFT) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Lafayette?

There are several ways to calculate distances between Lafayette and Washington D.C.. Here are two common 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 earth.

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).

Airport information


A 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

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

The time difference between Lafayette and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Lafayette.

Time Difference

Lafayette, LA

 CDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 152 kg (336 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Washington D.C. (IAD).

Distance:
1022
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1022

Round trip?