# Distance from Singapore (SIN) to St Louis (SUS)

> 15,321 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,321 km / 9,520 mi / 8,272 nm
- **Estimated flight time**: 19h
- **Heading**: 17° (north northeast)
- **Return heading**: 338° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Singapore) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 03:51 in Singapore, it's 14:51 in St Louis)
- **Elevation difference**: 441 ft (SUS is higher than SIN)

## Airports

### [Singapore Changi International Airport (SIN)](https://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

### [Spirit Of St Louis Airport (SUS)](https://flightduration.online/airport/sus-st-louis-spirit-of-st-louis-airport/1ef266df-39cb-68e6-9ab2-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSUS
- Timezone: America/Chicago
- Coordinates: 38.660000, -90.650000
- Elevation: 463 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 03:51 in Singapore, it's 14:51 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Singapore Changi International Airport (SIN)](https://flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Spirit Of St Louis Airport (SUS)](https://flightduration.online/airport/sus-st-louis-spirit-of-st-louis-airport/1ef266df-39cb-68e6-9ab2-06bb2780ed98)
- [Flight duration calculator](/#calculator)