# Distance from Seattle (SEA) to Toamasina Airport (TMM)

> 16,666 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,666 km / 10,356 mi / 8,999 nm
- **Estimated flight time**: 21h
- **Heading**: 16° (north northeast)
- **Return heading**: 349° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Madagascar
- **Intercontinental**: North America → Africa
- **Time difference**: +10h (When it's 15:42 in Seattle, it's 01:42 in Toamasina Airport)
- **Elevation difference**: 410 ft (TMM is lower 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

### [Toamasina Airport (TMM)](https://flightduration.online/airport/tmm-toamasina-airport/1ef266de-dbb2-66e2-97fd-06bb2780ed98)

- City: Toamasina Airport, Madagascar
- ICAO: FMMT
- Timezone: Indian/Antananarivo
- Coordinates: -18.110000, 49.390000
- Elevation: 22 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 15:42 in Seattle, it's 01:42 in Toamasina Airport.
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)
- [Toamasina Airport (TMM)](https://flightduration.online/airport/tmm-toamasina-airport/1ef266de-dbb2-66e2-97fd-06bb2780ed98)
- [Flight duration calculator](/#calculator)