Calculations with different methods
- 4371.108 miles
- 7034.617 kilometers
- 3798.389 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
- 4360.086 miles
- 7016.878 kilometers
- 3788.811 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Leonardo da Vinci–Fiumicino Airport (FCO) to Philadelphia International Airport (PHL) is 8 hours 46 minutes.
Time difference and current local times
The time difference between Rome and Philadelphia is 6 hours. Philadelphia is 6 hours behind Rome.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 536 kg (1 181 pounds).
Rome to Philadelphia flight map.
Frequent Flyer Miles Calculator
Rome (FCO) → Philadelphia (PHL).