How far is Washington D.C. from Rome?
There are several ways to calculate distances between Rome and Washington D.C.. Here are two common methods:Vincenty's formula (applied above)
- 4505.128 miles
- 7250.301 kilometers
- 3914.850 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
- 4493.920 miles
- 7232.264 kilometers
- 3905.110 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).
Estimated flight time from Leonardo da Vinci–Fiumicino Airport (FCO) to Washington Dulles International Airport (IAD) is 9 hours 1 minutes.
Time difference and current local times
The time difference between Rome and Washington D.C. is 6 hours. Washington D.C. is 6 hours behind Rome.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 527 kg (1 162 pounds).
Rome to Washington D.C. flight path
Shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Washington Dulles International Airport (IAD).
Frequent Flyer Miles Calculator
Rome (FCO) → Washington D.C. (IAD).