# Distance from Seattle (SEA) to Befandriana (WBD)

> 16,330 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,330 km / 10,147 mi / 8,817 nm
- **Estimated flight time**: 20h
- **Heading**: 16° (north northeast)
- **Return heading**: 349° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Madagascar
- **Intercontinental**: North America → Africa
- **Time difference**: +10h (When it's 04:37 in Seattle, it's 14:37 in Befandriana)
- **Elevation difference**: 388 ft (WBD is higher than SEA)

## Airports

### [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

### [Avaratra Airport (WBD)](https://www.flightduration.online/airport/wbd-befandriana-avaratra-airport/1ef266de-dbd9-695e-9efe-06bb2780ed98)

- City: Befandriana, Madagascar
- ICAO: FMNF
- Timezone: Indian/Antananarivo
- Coordinates: -15.200000, 48.480000
- 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 04:37 in Seattle, it's 14:37 in Befandriana.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Avaratra Airport (WBD)](https://www.flightduration.online/airport/wbd-befandriana-avaratra-airport/1ef266de-dbd9-695e-9efe-06bb2780ed98)
- [Flight duration calculator](/#calculator)