# Distance from Mackay (MKY) to Seattle (SEA)

> 11,615 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,615 km / 7,217 mi / 6,272 nm
- **Estimated flight time**: 15h
- **Heading**: 44° (northeast)
- **Return heading**: 254° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 12:22 in Mackay, it's 19:22 in Seattle)
- **Elevation difference**: 413 ft (SEA is higher than MKY)

## Airports

### [Mackay Airport (MKY)](https://www.flightduration.online/airport/mky-mackay-mackay-airport/1ef266e0-066d-63a4-9620-06bb2780ed98)

- City: Mackay, Australia
- ICAO: YBMK
- Timezone: Australia/Brisbane
- Coordinates: -21.170000, 149.180000
- Elevation: 19 ft

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 12:22 in Mackay, it's 19:22 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Mackay Airport (MKY)](https://www.flightduration.online/airport/mky-mackay-mackay-airport/1ef266e0-066d-63a4-9620-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)