# Distance from Washington (OCW) to Singapore (SIN)

> 15,908 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,908 km / 9,885 mi / 8,590 nm
- **Estimated flight time**: 20h
- **Heading**: 358° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 04:48 in Washington, it's 16:48 in Singapore)
- **Elevation difference**: 15 ft (SIN is lower than OCW)

## Airports

### [Washington-Warren Airport (OCW)](https://www.flightduration.online/airport/ocw-washington-washington-warren-airport/1ef266df-301d-60f6-a295-06bb2780ed98)

- City: Washington, United States
- ICAO: KOCW
- Timezone: America/New_York
- Coordinates: 35.570000, -77.050000
- Elevation: 37 ft

### [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)

- City: Singapore, Singapore
- ICAO: WSSS
- Timezone: Asia/Singapore
- Coordinates: 1.350000, 103.990000
- Elevation: 22 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 04:48 in Washington, it's 16:48 in Singapore.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Washington-Warren Airport (OCW)](https://www.flightduration.online/airport/ocw-washington-washington-warren-airport/1ef266df-301d-60f6-a295-06bb2780ed98)
- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Flight duration calculator](/#calculator)