How far is Shannon from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Shannon (Shannon Airport) is 4501 miles / 7244 kilometers / 3912 nautical miles.

Distance from Seattle to Shannon

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

Vincenty's formula (applied above)

• 4501.367 miles
• 7244.247 kilometers
• 3911.581 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

• 4487.732 miles
• 7222.305 kilometers
• 3899.733 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 Seattle to Shannon?

The estimated flight time from Seattle–Tacoma International Airport to Shannon Airport is 9 hours and 1 minutes.

What is the time difference between Seattle and Shannon?

The time difference between Seattle and Shannon is 8 hours. Shannon is 8 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Shannon Airport (SNN)

On average, flying from Seattle to Shannon generates about 520 kg of CO2 per passenger, and 520 kilograms equals 1 145 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Shannon

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Shannon Airport (SNN).

Airport information

Origin	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W

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