# Distance from Sao Paulo (GRU) to Na Thon (Ko Samui Island) (USM)

> 16,141 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,141 km / 10,029 mi / 8,715 nm
- **Estimated flight time**: 20h
- **Heading**: 108° (east southeast)
- **Return heading**: 242° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Thailand
- **Intercontinental**: South America → Asia
- **Time difference**: +10h (When it's 21:13 in Sao Paulo, it's 07:13 in Na Thon (Ko Samui Island))
- **Elevation difference**: 2,395 ft (USM is lower than GRU)

## Airports

### [Guarulhos - Governador Andre Franco Montoro International Airport (GRU)](https://www.flightduration.online/airport/gru-sao-paulo-guarulhos-governador-andre-franco-montoro-international-airport/1ef266df-9494-6840-af41-06bb2780ed98)

- City: Sao Paulo, Brazil
- ICAO: SBGR
- Timezone: America/Sao_Paulo
- Coordinates: -23.440000, -46.470000
- Elevation: 2,459 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 21:13 in Sao Paulo, it's 07:13 in Na Thon (Ko Samui Island).
With a 10-hour time difference, expect significant jet lag.

## Related

- [Guarulhos - Governador Andre Franco Montoro International Airport (GRU)](https://www.flightduration.online/airport/gru-sao-paulo-guarulhos-governador-andre-franco-montoro-international-airport/1ef266df-9494-6840-af41-06bb2780ed98)
- [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)