# Distance from Bangkok (BKK) to Siloam Springs (SLG)

> 14,243 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,243 km / 8,850 mi / 7,691 nm
- **Estimated flight time**: 18h
- **Heading**: 16° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 12:27 in Bangkok, it's 00:27 in Siloam Springs)
- **Elevation difference**: 1,186 ft (SLG is higher than BKK)

## Airports

### [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)

- City: Bangkok, Thailand
- ICAO: VTBS
- Timezone: Asia/Bangkok
- Coordinates: 13.680000, 100.750000
- Elevation: 5 ft

### [Smith Field (SLG)](https://www.flightduration.online/airport/slg-siloam-springs-smith-field/1ef266df-38cd-6624-8e93-06bb2780ed98)

- City: Siloam Springs, United States
- ICAO: KSLG
- Timezone: America/Chicago
- Coordinates: 36.190000, -94.490000
- Elevation: 1,191 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 12:27 in Bangkok, it's 00:27 in Siloam Springs.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)
- [Smith Field (SLG)](https://www.flightduration.online/airport/slg-siloam-springs-smith-field/1ef266df-38cd-6624-8e93-06bb2780ed98)
- [Flight duration calculator](/#calculator)