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

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

The driving distance from Washington D.C. (IAD) to Lafayette (LFT) is 1182 miles / 1902 kilometers, and travel time by car is about 21 hours 47 minutes.

Distance from Washington D.C. to Lafayette

There are several ways to calculate the distance from Washington D.C. to Lafayette. 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 Washington D.C. to Lafayette?

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

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

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

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

On average, flying from Washington D.C. to Lafayette 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 Washington D.C. to Lafayette

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

Airport information

Origin	Washington Dulles International Airport
City:	Washington D.C.
Country:	United States
IATA Code:	IAD
ICAO Code:	KIAD
Coordinates:	38°56′40″N, 77°27′20″W

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