Calculations with different methods
- 99.548 miles
- 160.207 kilometers
- 86.505 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
- 99.720 miles
- 160.484 kilometers
- 86.654 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Richmond International Airport (RIC) to Washington Dulles International Airport (IAD) is 41 minutes.
Time difference and current local times
There is no time difference between Richmond and Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 34 kg (76 pounds).
Richmond to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Richmond (RIC) → Washington D.C. (IAD).