Air Miles Calculator

Distance between Washington D.C. (DCA) and Lexington, KY (LEX)

Flight distance from Washington D.C. to Lexington (Ronald Reagan Washington National Airport – Lexington Blue Grass Airport) is 414 miles / 667 kilometers / 360 nautical miles. Estimated flight time is 1 hour 17 minutes.

Driving distance from Washington D.C. (DCA) to Lexington (LEX) is 545 miles / 877 kilometers and travel time by car is about 9 hours 37 minutes.

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

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Lexington Blue Grass Airport (LEX).

How far is Lexington from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Lexington. Here are two common methods:

Vincenty's formula (applied above)
  • 414.254 miles
  • 666.678 kilometers
  • 359.977 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
  • 413.287 miles
  • 665.121 kilometers
  • 359.137 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 Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B Lexington Blue Grass Airport
City: Lexington, KY
Country: United States Flag of United States
IATA Code: LEX
ICAO Code: KLEX
Coordinates: 38°2′11″N, 84°36′21″W

Time difference and current local times

There is no time difference between Washington D.C. and Lexington.

Time Difference

Washington D.C.

 EDT

Lexington, KY

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 86 kg (189 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Lexington (LEX).

Distance:
414
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
414

Round trip?