How far is Portland, ME, from Shannon?

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

Distance from Shannon to Portland

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

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

What is the time difference between Shannon and Portland?

The time difference between Shannon and Portland is 5 hours. Portland is 5 hours behind Shannon.

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

On average, flying from Shannon to Portland 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 Shannon to Portland

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

Airport information

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

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