# Distance between Washington D.C. (IAD) and Rome (FCO)

Flight distance from Washington D.C. to Rome (Washington Dulles International Airport – Leonardo da Vinci–Fiumicino Airport) is 4505 miles / 7250 kilometers / 3915 nautical miles. Estimated flight time is 9 hours 1 minutes.

## Map of flight path from Washington D.C. to Rome.

Shortest flight path between Washington Dulles International Airport (IAD) and Leonardo da Vinci–Fiumicino Airport (FCO).

## How far is Rome from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Rome. 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).

## Airport information

A Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

B Leonardo da Vinci–Fiumicino Airport
City: Rome
Country: Italy
IATA Code: FCO
ICAO Code: LIRF
Coordinates: 41°48′16″N, 12°15′2″E

## Time difference and current local times

The time difference between Washington D.C. and Rome is 6 hours. Rome is 6 hours ahead of Washington D.C..

EDT

CEST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 520 kg (1 147 pounds).

## Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Rome (FCO).

Distance:
4505
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
4505

Round trip?