# Distance from Singapore (SIN) to San Antonio (SSF)

> 15,850 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,850 km / 9,849 mi / 8,558 nm
- **Estimated flight time**: 20h
- **Heading**: 33° (north northeast)
- **Return heading**: 321° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Singapore) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 00:09 in Singapore, it's 11:09 in San Antonio)
- **Elevation difference**: 556 ft (SSF is higher than SIN)

## Airports

### [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

### [Stinson Municipal Airport (SSF)](https://www.flightduration.online/airport/ssf-san-antonio-stinson-municipal-airport/1ef266df-398c-64b6-a074-06bb2780ed98)

- City: San Antonio, United States
- ICAO: KSSF
- Timezone: America/Chicago
- Coordinates: 29.340000, -98.470000
- Elevation: 578 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 00:09 in Singapore, it's 11:09 in San Antonio.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Stinson Municipal Airport (SSF)](https://www.flightduration.online/airport/ssf-san-antonio-stinson-municipal-airport/1ef266df-398c-64b6-a074-06bb2780ed98)
- [Flight duration calculator](/#calculator)