# Distance from Baltimore (BWI) to Sainte Marie Airport (SMS)

> 14,319 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,319 km / 8,898 mi / 7,732 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 09:28 in Baltimore, it's 16:28 in Sainte Marie Airport)
- **Elevation difference**: 136 ft (SMS is lower than BWI)

## Airports

### [Baltimore/Washington International Thurgood Marshall Airport (BWI)](https://www.flightduration.online/airport/bwi-baltimore-baltimorewashington-international-thurgood-marshall-airport/1ef266df-11dd-6712-b7b5-06bb2780ed98)

- City: Baltimore, United States
- ICAO: KBWI
- Timezone: America/New_York
- Coordinates: 39.180000, -76.670000
- Elevation: 143 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 09:28 in Baltimore, it's 16:28 in Sainte Marie Airport.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Baltimore/Washington International Thurgood Marshall Airport (BWI)](https://www.flightduration.online/airport/bwi-baltimore-baltimorewashington-international-thurgood-marshall-airport/1ef266df-11dd-6712-b7b5-06bb2780ed98)
- [Sainte Marie Airport (SMS)](https://www.flightduration.online/airport/sms-sainte-marie-airport/1ef266de-dbae-675e-9a15-06bb2780ed98)
- [Flight duration calculator](/#calculator)