# Distance from Fort Smith (FSM) to Singapore (SIN)

> 15,514 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,514 km / 9,640 mi / 8,377 nm
- **Estimated flight time**: 19h
- **Heading**: 331° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 23:14 in Fort Smith, it's 12:14 in Singapore)
- **Elevation difference**: 447 ft (SIN is lower than FSM)

## Airports

### [Fort Smith Regional Airport (FSM)](https://www.flightduration.online/airport/fsm-fort-smith-fort-smith-regional-airport/1ef266df-1d03-6a42-b07d-06bb2780ed98)

- City: Fort Smith, United States
- ICAO: KFSM
- Timezone: America/Chicago
- Coordinates: 35.300000, -94.400000
- Elevation: 469 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 23:14 in Fort Smith, it's 12:14 in Singapore.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Fort Smith Regional Airport (FSM)](https://www.flightduration.online/airport/fsm-fort-smith-fort-smith-regional-airport/1ef266df-1d03-6a42-b07d-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)