# Distance from Ranai-Natuna Besar Island (NTX) to Seattle (SEA)

> 12,471 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,471 km / 7,749 mi / 6,734 nm
- **Estimated flight time**: 16h
- **Heading**: 34° (northeast)
- **Return heading**: 304° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 21:53 in Ranai-Natuna Besar Island, it's 07:53 in Seattle)
- **Elevation difference**: 425 ft (SEA is higher than NTX)

## Airports

### [Ranai Airport (NTX)](https://www.flightduration.online/airport/ntx-ranai-natuna-besar-island-ranai-airport/1ef266df-fd9a-6772-8db5-06bb2780ed98)

- City: Ranai-Natuna Besar Island, Indonesia
- ICAO: WION
- Timezone: Asia/Jakarta
- Coordinates: 3.910000, 108.390000
- Elevation: 7 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 21:53 in Ranai-Natuna Besar Island, it's 07:53 in Seattle.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Ranai Airport (NTX)](https://www.flightduration.online/airport/ntx-ranai-natuna-besar-island-ranai-airport/1ef266df-fd9a-6772-8db5-06bb2780ed98)
- [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)