Map of flight path and driving directions from Washington D.C. to Casper.
Shortest flight path between Washington Dulles International Airport (IAD) and Casper–Natrona County International Airport (CPR).
How far is Casper from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Casper. Here are two common methods:Vincenty's formula (applied above)
- 1534.736 miles
- 2469.919 kilometers
- 1333.649 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
- 1531.007 miles
- 2463.916 kilometers
- 1330.408 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).
|A||Washington Dulles International Airport|
|B||Casper–Natrona County International Airport|
Time difference and current local times
The time difference between Washington D.C. and Casper is 2 hours. Casper is 2 hours behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (401 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Casper (CPR).