# Distance from Washington (IAD) to Sainte Marie Airport (SMS)

> 14,395 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,395 km / 8,945 mi / 7,773 nm
- **Estimated flight time**: 18h
- **Heading**: 80° (east)
- **Return heading**: 307° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Madagascar
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 19:46 in Washington, it's 02:46 in Sainte Marie Airport)
- **Elevation difference**: 305 ft (SMS is lower than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Sainte Marie Airport (SMS)](https://www.flightduration.online/airport/sms-sainte-marie-airport/1ef266de-dbae-675e-9a15-06bb2780ed98)

- City: Sainte Marie Airport, Madagascar
- ICAO: FMMS
- Timezone: Indian/Antananarivo
- Coordinates: -17.090000, 49.820000
- Elevation: 7 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 19:46 in Washington, it's 02:46 in Sainte Marie Airport.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Sainte Marie Airport (SMS)](https://www.flightduration.online/airport/sms-sainte-marie-airport/1ef266de-dbae-675e-9a15-06bb2780ed98)
- [Flight duration calculator](/#calculator)