How far is New Plymouth from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and New Plymouth (New Plymouth Airport) is 7119 miles / 11456 kilometers / 6186 nautical miles.

Distance from Seattle to New Plymouth

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

Vincenty's formula (applied above)

• 7118.643 miles
• 11456.345 kilometers
• 6185.932 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

• 7134.391 miles
• 11481.690 kilometers
• 6199.616 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 New Plymouth?

The estimated flight time from Seattle–Tacoma International Airport to New Plymouth Airport is 13 hours and 58 minutes.

What is the time difference between Seattle and New Plymouth?

The time difference between Seattle and New Plymouth is 21 hours. New Plymouth is 21 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and New Plymouth Airport (NPL)

On average, flying from Seattle to New Plymouth generates about 872 kg of CO2 per passenger, and 872 kilograms equals 1 922 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to New Plymouth

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and New Plymouth Airport (NPL).

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	New Plymouth Airport
City:	New Plymouth
Country:	New Zealand
IATA Code:	NPL
ICAO Code:	NZNP
Coordinates:	39°0′30″S, 174°10′44″E