# Distance from Washington (DCA) to Seletar (XSP)

> 15,536 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,536 km / 9,654 mi / 8,389 nm
- **Estimated flight time**: 19h
- **Heading**: 359° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 23:38 in Washington, it's 11:38 in Seletar)
- **Elevation difference**: 22 ft (XSP is higher than DCA)

## Airports

### [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

### [Seletar Airport (XSP)](https://www.flightduration.online/airport/xsp-seletar-seletar-airport/1ef266e0-00c6-607c-b6cf-06bb2780ed98)

- City: Seletar, Singapore
- ICAO: WSSL
- Timezone: Asia/Singapore
- Coordinates: 1.420000, 103.870000
- Elevation: 36 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 23:38 in Washington, it's 11:38 in Seletar.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Seletar Airport (XSP)](https://www.flightduration.online/airport/xsp-seletar-seletar-airport/1ef266e0-00c6-607c-b6cf-06bb2780ed98)
- [Flight duration calculator](/#calculator)