How far is Shannon from Portland, ME?

The distance between Portland (Portland International Jetport) and Shannon (Shannon Airport) is 2814 miles / 4529 kilometers / 2446 nautical miles.

Distance from Portland to Shannon

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

Vincenty's formula (applied above)

• 2814.431 miles
• 4529.388 kilometers
• 2445.674 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

• 2806.507 miles
• 4516.635 kilometers
• 2438.788 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 Shannon?

The estimated flight time from Portland International Jetport to Shannon Airport is 5 hours and 49 minutes.

What is the time difference between Portland and Shannon?

The time difference between Portland and Shannon is 5 hours. Shannon is 5 hours ahead of Portland.

Flight carbon footprint between Portland International Jetport (PWM) and Shannon Airport (SNN)

On average, flying from Portland to Shannon generates about 312 kg of CO2 per passenger, and 312 kilograms equals 688 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Shannon

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

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	Shannon Airport
City:	Shannon
Country:	Ireland
IATA Code:	SNN
ICAO Code:	EINN
Coordinates:	52°42′7″N, 8°55′29″W