# Distance from Senai (JHB) to Seattle (SEA)

> 12,972 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,972 km / 8,060 mi / 7,004 nm
- **Estimated flight time**: 16h
- **Heading**: 33° (north northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Malaysia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 10:25 in Senai, it's 19:25 in Seattle)
- **Elevation difference**: 297 ft (SEA is higher than JHB)

## Airports

### [Senai International Airport (JHB)](https://www.flightduration.online/airport/jhb-senai-senai-international-airport/1ef266df-fe8b-6ec4-974b-06bb2780ed98)

- City: Senai, Malaysia
- ICAO: WMKJ
- Timezone: Asia/Kuala_Lumpur
- Coordinates: 1.640000, 103.670000
- Elevation: 135 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 10:25 in Senai, it's 19:25 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Senai International Airport (JHB)](https://www.flightduration.online/airport/jhb-senai-senai-international-airport/1ef266df-fe8b-6ec4-974b-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)