How far is Rome from Portland, ME?

The distance between Portland (Portland International Jetport) and Rome (Ciampino–G. B. Pastine International Airport) is 4033 miles / 6491 kilometers / 3505 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)

• 4033.183 miles
• 6490.779 kilometers
• 3504.740 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

• 4022.549 miles
• 6473.665 kilometers
• 3495.499 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 Ciampino–G. B. Pastine International Airport is 8 hours and 8 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 Ciampino–G. B. Pastine International Airport (CIA)

On average, flying from Portland to Rome generates about 460 kg of CO2 per passenger, and 460 kilograms equals 1 015 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 Ciampino–G. B. Pastine International Airport (CIA).

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	Ciampino–G. B. Pastine International Airport
City:	Rome
Country:	Italy
IATA Code:	CIA
ICAO Code:	LIRA
Coordinates:	41°47′57″N, 12°35′41″E