Map of flight path and driving directions from Washington D.C. to Pierre.
Shortest flight path between Washington Dulles International Airport (IAD) and Pierre Regional Airport (PIR).
How far is Pierre from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Pierre. Here are two common methods:Vincenty's formula (applied above)
- 1234.919 miles
- 1987.410 kilometers
- 1073.115 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
- 1232.144 miles
- 1982.943 kilometers
- 1070.704 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 Pierre is 1 hour. Pierre is 1 hour behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 163 kg (359 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Pierre (PIR).