How far is Cardiff from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Cardiff (Cardiff Airport) is 4726 miles / 7606 kilometers / 4107 nautical miles.

Distance from Seattle to Cardiff

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

Vincenty's formula (applied above)

• 4726.317 miles
• 7606.270 kilometers
• 4107.057 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

• 4712.172 miles
• 7583.505 kilometers
• 4094.765 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 Cardiff?

The estimated flight time from Seattle–Tacoma International Airport to Cardiff Airport is 9 hours and 26 minutes.

What is the time difference between Seattle and Cardiff?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Cardiff Airport (CWL)

On average, flying from Seattle to Cardiff generates about 548 kg of CO2 per passenger, and 548 kilograms equals 1 209 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Cardiff

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

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	Cardiff Airport
City:	Cardiff
Country:	United Kingdom
IATA Code:	CWL
ICAO Code:	EGFF
Coordinates:	51°23′48″N, 3°20′35″W