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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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.
What is the time difference between Seattle and Mackay?
The time difference between Seattle and Mackay is 18 hours. Mackay is 18 hours ahead of Seattle.
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 |
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City: | Seattle, WA |
Country: | United States ![]() |
IATA Code: | SEA |
ICAO Code: | KSEA |
Coordinates: | 47°26′56″N, 122°18′32″W |
Destination | Mackay Airport |
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City: | Mackay |
Country: | Australia ![]() |
IATA Code: | MKY |
ICAO Code: | YBMK |
Coordinates: | 21°10′18″S, 149°10′47″E |