# Distance from Key West (NQX) to Singapore (SIN)

> 17,069 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,069 km / 10,606 mi / 9,216 nm
- **Estimated flight time**: 21h
- **Heading**: 347° (north northwest)
- **Return heading**: 12° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 11:31 in Key West, it's 23:31 in Singapore)
- **Elevation difference**: 16 ft (SIN is higher than NQX)

## Airports

### [Key West Nas (Boca Chica Field) Airport (NQX)](https://www.flightduration.online/airport/nqx-key-west-key-west-nas-boca-chica-field-airport/1ef266df-2ecf-6884-8e45-06bb2780ed98)

- City: Key West, United States
- ICAO: KNQX
- Timezone: America/New_York
- Coordinates: 24.570000, -81.690000
- Elevation: 6 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 11:31 in Key West, it's 23:31 in Singapore.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Key West Nas (Boca Chica Field) Airport (NQX)](https://www.flightduration.online/airport/nqx-key-west-key-west-nas-boca-chica-field-airport/1ef266df-2ecf-6884-8e45-06bb2780ed98)
- [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)