How far is Belfast from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Belfast (George Best Belfast City Airport) is 4484 miles / 7216 kilometers / 3896 nautical miles.

Distance from Seattle to Belfast

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

Vincenty's formula (applied above)

• 4483.993 miles
• 7216.287 kilometers
• 3896.483 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

• 4470.230 miles
• 7194.138 kilometers
• 3884.524 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 Belfast?

The estimated flight time from Seattle Boeing Field to George Best Belfast City Airport is 8 hours and 59 minutes.

What is the time difference between Seattle and Belfast?

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

Flight carbon footprint between Seattle Boeing Field (BFI) and George Best Belfast City Airport (BHD)

On average, flying from Seattle to Belfast generates about 517 kg of CO2 per passenger, and 517 kilograms equals 1 141 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Belfast

See the map of the shortest flight path between Seattle Boeing Field (BFI) and George Best Belfast City Airport (BHD).

Airport information

Origin	Seattle Boeing Field
City:	Seattle, WA
Country:	United States
IATA Code:	BFI
ICAO Code:	KBFI
Coordinates:	47°31′47″N, 122°18′7″W

Destination	George Best Belfast City Airport
City:	Belfast
Country:	United Kingdom
IATA Code:	BHD
ICAO Code:	EGAC
Coordinates:	54°37′5″N, 5°52′20″W