How far is Portland, ME, from Rome?

The distance between Rome (Leonardo da Vinci–Fiumicino Airport) and Portland (Portland International Jetport) is 4018 miles / 6466 kilometers / 3492 nautical miles.

Distance from Rome to Portland

There are several ways to calculate the distance from Rome to Portland. Here are two standard methods:

Vincenty's formula (applied above)

• 4017.973 miles
• 6466.301 kilometers
• 3491.523 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 4007.377 miles
• 6449.248 kilometers
• 3482.315 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).

How long does it take to fly from Rome to Portland?

The estimated flight time from Leonardo da Vinci–Fiumicino Airport to Portland International Jetport is 8 hours and 6 minutes.

What is the time difference between Rome and Portland?

The time difference between Rome and Portland is 6 hours. Portland is 6 hours behind Rome.

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and Portland International Jetport (PWM)

On average, flying from Rome to Portland generates about 459 kg of CO2 per passenger, and 459 kilograms equals 1 011 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Portland

See the map of the shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Portland International Jetport (PWM).

Airport information

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

Destination	Portland International Jetport
City:	Portland, ME
Country:	United States
IATA Code:	PWM
ICAO Code:	KPWM
Coordinates:	43°38′46″N, 70°18′33″W