# Distance from Seattle (SEA) to Beroroha (WBO)

> 16,930 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,930 km / 10,520 mi / 9,141 nm
- **Estimated flight time**: 21h
- **Heading**: 26° (north northeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Madagascar
- **Intercontinental**: North America → Africa
- **Time difference**: +10h (When it's 19:18 in Seattle, it's 05:18 in Beroroha)
- **Elevation difference**: 388 ft (WBO is higher than SEA)

## Airports

### [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

### [Antsoa Airport (WBO)](https://flightduration.online/airport/wbo-beroroha-antsoa-airport/1ef266de-dc23-63e2-8df9-06bb2780ed98)

- City: Beroroha, Madagascar
- ICAO: FMSB
- Timezone: Indian/Antananarivo
- Coordinates: -21.610000, 45.140000
- Elevation: 820 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 19:18 in Seattle, it's 05:18 in Beroroha.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Antsoa Airport (WBO)](https://flightduration.online/airport/wbo-beroroha-antsoa-airport/1ef266de-dc23-63e2-8df9-06bb2780ed98)
- [Flight duration calculator](/#calculator)