Air Miles Calculator

Distance between Washington D.C. (IAD) and Pierre, SD (PIR)

Flight distance from Washington D.C. to Pierre (Washington Dulles International Airport – Pierre Regional Airport) is 1235 miles / 1987 kilometers / 1073 nautical miles. Estimated flight time is 2 hours 50 minutes.

Driving distance from Washington D.C. (IAD) to Pierre (PIR) is 1486 miles / 2392 kilometers and travel time by car is about 25 hours 27 minutes.

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).

Airport information


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

B Pierre Regional Airport
City: Pierre, SD
Country: United States Flag of United States
IATA Code: PIR
ICAO Code: KPIR
Coordinates: 44°22′57″N, 100°17′9″W

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..

Time Difference

Washington D.C.

 EST

Pierre, SD

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (359 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Pierre (PIR).

Distance:
1235
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1235

Round trip?