Map of flight path and driving directions from Washington D.C. to Harlingen.
Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Valley International Airport (HRL).
How far is Harlingen from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Harlingen. Here are two common methods:Vincenty's formula (applied above)
- 1478.899 miles
- 2380.058 kilometers
- 1285.128 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
- 1478.258 miles
- 2379.025 kilometers
- 1284.571 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).
Time difference and current local times
The time difference between Washington D.C. and Harlingen is 1 hour. Harlingen is 1 hour behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (393 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (DCA) → Harlingen (HRL).