How far is Rome from Portland, ME?

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

Distance from Portland to Rome

There are several ways to calculate the distance from Portland to Rome. 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 Portland to Rome?

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

What is the time difference between Portland and Rome?

The time difference between Portland and Rome is 6 hours. Rome is 6 hours ahead of Portland.

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

On average, flying from Portland to Rome 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 Portland to Rome

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

Airport information

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

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