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).
Estimated flight time from Lafayette Regional Airport (LFT) to Washington Dulles International Airport (IAD) is 2 hours 26 minutes.
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 152 kg (336 pounds).
Lafayette to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Lafayette (LFT) → Washington D.C. (IAD).