# Distance from Dallas-Fort Worth (DFW) to Na Thon (Ko Samui Island) (USM)

> 14,959 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 14,959 km / 9,295 mi / 8,077 nm
- **Estimated flight time**: 19h
- **Heading**: 336° (north northwest)
- **Return heading**: 20° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 12:40 in Dallas-Fort Worth, it's 00:40 in Na Thon (Ko Samui Island))
- **Elevation difference**: 542 ft (USM is lower than DFW)

## Airports

### [Dallas-Fort Worth International Airport (DFW)](https://www.flightduration.online/airport/dfw-dallas-fort-worth-dallas-fort-worth-international-airport/1ef266df-1719-6ac8-ad12-06bb2780ed98)

- City: Dallas-Fort Worth, United States
- ICAO: KDFW
- Timezone: America/Chicago
- Coordinates: 32.900000, -97.040000
- Elevation: 606 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 12:40 in Dallas-Fort Worth, it's 00:40 in Na Thon (Ko Samui Island).
With a 12-hour time difference, expect significant jet lag.

## Related

- [Dallas-Fort Worth International Airport (DFW)](https://www.flightduration.online/airport/dfw-dallas-fort-worth-dallas-fort-worth-international-airport/1ef266df-1719-6ac8-ad12-06bb2780ed98)
- [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)