# Distance from Sematan (BSE) to Washington (DCA)

> 15,441 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,441 km / 9,594 mi / 8,337 nm
- **Estimated flight time**: 19h
- **Heading**: 8° (north)
- **Return heading**: 350° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Malaysia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 20:50 in Sematan, it's 08:50 in Washington)
- **Elevation difference**: 8 ft (DCA is lower than BSE)

## Airports

### [Sematan Airport (BSE)](https://www.flightduration.online/airport/bse-sematan-sematan-airport/1ef266df-fb42-6970-b06f-06bb2780ed98)

- City: Sematan, Malaysia
- ICAO: WBGN
- Timezone: Asia/Kuching
- Coordinates: 1.810000, 109.760000
- Elevation: 22 ft

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 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 20:50 in Sematan, it's 08:50 in Washington.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Sematan Airport (BSE)](https://www.flightduration.online/airport/bse-sematan-sematan-airport/1ef266df-fb42-6970-b06f-06bb2780ed98)
- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Flight duration calculator](/#calculator)