How far is Seattle, WA, from Christchurch?

The distance between Christchurch (Christchurch Airport) and Seattle (Seattle–Tacoma International Airport) is 7412 miles / 11929 kilometers / 6441 nautical miles.

Distance from Christchurch to Seattle

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

Vincenty's formula (applied above)

• 7412.077 miles
• 11928.581 kilometers
• 6440.919 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

• 7428.290 miles
• 11954.675 kilometers
• 6455.008 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 Christchurch to Seattle?

The estimated flight time from Christchurch Airport to Seattle–Tacoma International Airport is 14 hours and 32 minutes.

What is the time difference between Christchurch and Seattle?

The time difference between Christchurch and Seattle is 21 hours. Seattle is 21 hours behind Christchurch.

Flight carbon footprint between Christchurch Airport (CHC) and Seattle–Tacoma International Airport (SEA)

On average, flying from Christchurch to Seattle generates about 913 kg of CO2 per passenger, and 913 kilograms equals 2 014 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Christchurch to Seattle

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

Airport information

Origin	Christchurch Airport
City:	Christchurch
Country:	New Zealand
IATA Code:	CHC
ICAO Code:	NZCH
Coordinates:	43°29′21″S, 172°31′55″E

Destination	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