# Distance from Newark (EWR) to Na Thon (Ko Samui Island) (USM)

> 14,397 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,397 km / 8,946 mi / 7,774 nm
- **Estimated flight time**: 18h
- **Heading**: 7° (north)
- **Return heading**: 354° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 23:14 in Newark, it's 10:14 in Na Thon (Ko Samui Island))
- **Elevation difference**: 47 ft (USM is higher than EWR)

## Airports

### [Newark Liberty International Airport (EWR)](https://www.flightduration.online/airport/ewr-newark-newark-liberty-international-airport/1ef266df-1a90-6c88-91a8-06bb2780ed98)

- City: Newark, United States
- ICAO: KEWR
- Timezone: America/New_York
- Coordinates: 40.690000, -74.170000
- Elevation: 17 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 23:14 in Newark, it's 10:14 in Na Thon (Ko Samui Island).
With a 11-hour time difference, expect significant jet lag.

## Related

- [Newark Liberty International Airport (EWR)](https://www.flightduration.online/airport/ewr-newark-newark-liberty-international-airport/1ef266df-1a90-6c88-91a8-06bb2780ed98)
- [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)