# Distance from Betioky (BKU) to Seattle (SEA)

> 17,126 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,126 km / 10,641 mi / 9,247 nm
- **Estimated flight time**: 21h
- **Heading**: 339° (north northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Madagascar) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 22:04 in Betioky, it's 12:04 in Seattle)
- **Elevation difference**: 487 ft (SEA is lower than BKU)

## Airports

### [Betioky Airport (BKU)](https://www.flightduration.online/airport/bku-betioky-betioky-airport/1ef266de-dc5e-614a-ab56-06bb2780ed98)

- City: Betioky, Madagascar
- ICAO: FMSV
- Timezone: Indian/Antananarivo
- Coordinates: -23.730000, 44.390000
- Elevation: 919 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 22:04 in Betioky, it's 12:04 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Betioky Airport (BKU)](https://www.flightduration.online/airport/bku-betioky-betioky-airport/1ef266de-dc5e-614a-ab56-06bb2780ed98)
- [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)