# Distance from Las Vegas (LAS) to Na Thon (Ko Samui Island) (USM)

> 13,744 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,744 km / 8,540 mi / 7,421 nm
- **Estimated flight time**: 17h
- **Heading**: 317° (northwest)
- **Return heading**: 34° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 17:02 in Las Vegas, it's 07:02 in Na Thon (Ko Samui Island))
- **Elevation difference**: 2,117 ft (USM is lower than LAS)

## Airports

### [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-06bb2780ed98)

- City: Las Vegas, United States
- ICAO: KLAS
- Timezone: America/Los_Angeles
- Coordinates: 36.080000, -115.150000
- Elevation: 2,181 ft

### [Samui Airport (USM)](https://www.flightduration.online/airport/usm-na-thon-ko-samui-island-samui-airport/1ef266df-f5a3-6c12-8349-06bb2780ed98)

- City: Na Thon (Ko Samui Island), Thailand
- ICAO: VTSM
- Timezone: Asia/Bangkok
- Coordinates: 9.550000, 100.060000
- Elevation: 64 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 17:02 in Las Vegas, it's 07:02 in Na Thon (Ko Samui Island).
With a 14-hour time difference, expect significant jet lag.

## Related

- [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-06bb2780ed98)
- [Samui Airport (USM)](https://www.flightduration.online/airport/usm-na-thon-ko-samui-island-samui-airport/1ef266df-f5a3-6c12-8349-06bb2780ed98)
- [Flight duration calculator](/#calculator)