# Distance from Mount Isa (ISA) to Seattle (SEA)

> 12,287 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,287 km / 7,635 mi / 6,634 nm
- **Estimated flight time**: 15h
- **Heading**: 46° (northeast)
- **Return heading**: 261° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 22:30 in Mount Isa, it's 05:30 in Seattle)
- **Elevation difference**: 689 ft (SEA is lower than ISA)

## Airports

### [Mount Isa Airport (ISA)](https://flightduration.online/airport/isa-mount-isa-mount-isa-airport/1ef266e0-065b-6db6-adc6-06bb2780ed98)

- City: Mount Isa, Australia
- ICAO: YBMA
- Timezone: Australia/Brisbane
- Coordinates: -20.660000, 139.490000
- Elevation: 1,121 ft

### [Seattle-Tacoma International Airport (SEA)](https://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 22:30 in Mount Isa, it's 05:30 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Mount Isa Airport (ISA)](https://flightduration.online/airport/isa-mount-isa-mount-isa-airport/1ef266e0-065b-6db6-adc6-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)