# Distance from Coonamble Airport (CNB) to Seattle (SEA)

> 12,437 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,437 km / 7,728 mi / 6,716 nm
- **Estimated flight time**: 16h
- **Heading**: 47° (northeast)
- **Return heading**: 247° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 03:16 in Coonamble Airport, it's 10:16 in Seattle)
- **Elevation difference**: 172 ft (SEA is lower than CNB)

## Airports

### [Coonamble Airport (CNB)](https://www.flightduration.online/airport/cnb-coonamble-airport/1ef266e0-08f6-60e4-9c15-06bb2780ed98)

- City: Coonamble Airport, Australia
- ICAO: YCNM
- Timezone: Australia/Sydney
- Coordinates: -30.980000, 148.380000
- Elevation: 604 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 03:16 in Coonamble Airport, it's 10:16 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Coonamble Airport (CNB)](https://www.flightduration.online/airport/cnb-coonamble-airport/1ef266e0-08f6-60e4-9c15-06bb2780ed98)
- [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)