# Distance from Unalaska (DUT) to Singapore (SIN)

> 9,851 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,851 km / 6,121 mi / 5,319 nm
- **Estimated flight time**: 13h
- **Heading**: 270° (west)
- **Return heading**: 36° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +16h (When it's 08:15 in Unalaska, it's 00:15 in Singapore)
- **Elevation difference**: 1 ft (SIN is lower than DUT)

## Airports

### [Unalaska Airport (DUT)](https://www.flightduration.online/airport/dut-unalaska-unalaska-airport/1ef266df-863c-64a0-a2a7-06bb2780ed98)

- City: Unalaska, United States
- ICAO: PADU
- Timezone: America/Anchorage
- Coordinates: 53.900000, -166.550000
- Elevation: 23 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 08:15 in Unalaska, it's 00:15 in Singapore.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Unalaska Airport (DUT)](https://www.flightduration.online/airport/dut-unalaska-unalaska-airport/1ef266df-863c-64a0-a2a7-06bb2780ed98)
- [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)