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How far is Mackay from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Mackay (Mackay Airport) is 7211 miles / 11605 kilometers / 6266 nautical miles.

Seattle–Tacoma International Airport – Mackay Airport

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7211
Miles
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11605
Kilometers
Distance arrow
6266
Nautical miles

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Distance from Seattle to Mackay

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

Vincenty's formula (applied above)
  • 7211.017 miles
  • 11605.007 kilometers
  • 6266.203 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
  • 7217.378 miles
  • 11615.245 kilometers
  • 6271.730 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 Mackay?

The estimated flight time from Seattle–Tacoma International Airport to Mackay Airport is 14 hours and 9 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Mackay Airport (MKY)

On average, flying from Seattle to Mackay generates about 885 kg of CO2 per passenger, and 885 kilograms equals 1 950 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Mackay

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

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W
Destination Mackay Airport
City: Mackay
Country: Australia Flag of Australia
IATA Code: MKY
ICAO Code: YBMK
Coordinates: 21°10′18″S, 149°10′47″E