How far is Florence from Portland, ME?

The distance between Portland (Portland International Jetport) and Florence (Florence Airport) is 3900 miles / 6277 kilometers / 3389 nautical miles.

Distance from Portland to Florence

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

Vincenty's formula (applied above)

• 3900.415 miles
• 6277.110 kilometers
• 3389.368 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

• 3889.880 miles
• 6260.155 kilometers
• 3380.213 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 Florence?

The estimated flight time from Portland International Jetport to Florence Airport is 7 hours and 53 minutes.

What is the time difference between Portland and Florence?

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

Flight carbon footprint between Portland International Jetport (PWM) and Florence Airport (FLR)

On average, flying from Portland to Florence generates about 444 kg of CO2 per passenger, and 444 kilograms equals 979 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Florence

See the map of the shortest flight path between Portland International Jetport (PWM) and Florence Airport (FLR).

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	Florence Airport
City:	Florence
Country:	Italy
IATA Code:	FLR
ICAO Code:	LIRQ
Coordinates:	43°48′36″N, 11°12′18″E