# Distance from Moramanga (OHB) to Seattle (SEA)

> 16,728 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,728 km / 10,394 mi / 9,033 nm
- **Estimated flight time**: 21h
- **Heading**: 347° (north northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Madagascar) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 17:19 in Moramanga, it's 07:19 in Seattle)
- **Elevation difference**: 2,528 ft (SEA is lower than OHB)

## Airports

### [Moramanga Aerodrome (OHB)](https://www.flightduration.online/airport/ohb-moramanga-moramanga-aerodrome/1ef266de-db6e-65b4-ae75-06bb2780ed98)

- City: Moramanga, Madagascar
- ICAO: FMFE
- Timezone: Indian/Antananarivo
- Coordinates: -18.920000, 48.220000
- Elevation: 2,960 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 17:19 in Moramanga, it's 07:19 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Moramanga Aerodrome (OHB)](https://www.flightduration.online/airport/ohb-moramanga-moramanga-aerodrome/1ef266de-db6e-65b4-ae75-06bb2780ed98)
- [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)