# Distance from Riyadh (RUH) to Na Thon (Ko Samui Island) (USM)

> 5,879 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,879 km / 3,653 mi / 3,175 nm
- **Estimated flight time**: 8h
- **Heading**: 97° (east)
- **Return heading**: 294° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Saudi Arabia) → Thailand
- **Time difference**: +4h (When it's 08:08 in Riyadh, it's 12:08 in Na Thon (Ko Samui Island))
- **Elevation difference**: 1,985 ft (USM is lower than RUH)

## Airports

### [King Khaled International Airport (RUH)](https://www.flightduration.online/airport/ruh-riyadh-king-khaled-international-airport/1ef266df-79cb-6f68-8fc1-06bb2780ed98)

- City: Riyadh, Saudi Arabia
- ICAO: OERK
- Timezone: Asia/Riyadh
- Coordinates: 24.960000, 46.700000
- Elevation: 2,049 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 08:08 in Riyadh, it's 12:08 in Na Thon (Ko Samui Island).
The 4-hour time difference may cause some jet lag.

## Related

- [King Khaled International Airport (RUH)](https://www.flightduration.online/airport/ruh-riyadh-king-khaled-international-airport/1ef266df-79cb-6f68-8fc1-06bb2780ed98)
- [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)