# Distance from Atwater (MER) to Ho Chi Minh City (SGN)

> 12,738 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,738 km / 7,915 mi / 6,878 nm
- **Estimated flight time**: 16h
- **Heading**: 308° (northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 00:36 in Atwater, it's 14:36 in Ho Chi Minh City)
- **Elevation difference**: 157 ft (SGN is lower than MER)

## Airports

### [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)

- City: Atwater, United States
- ICAO: KMER
- Timezone: America/Los_Angeles
- Coordinates: 37.400000, -120.600000
- Elevation: 190 ft

### [Tan Son Nhat International Airport (SGN)](https://www.flightduration.online/airport/sgn-ho-chi-minh-city-tan-son-nhat-international-airport/1ef266df-f661-676c-851b-06bb2780ed98)

- City: Ho Chi Minh City, Vietnam
- ICAO: VVTS
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 10.820000, 106.650000
- Elevation: 33 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 00:36 in Atwater, it's 14:36 in Ho Chi Minh City.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)
- [Tan Son Nhat International Airport (SGN)](https://www.flightduration.online/airport/sgn-ho-chi-minh-city-tan-son-nhat-international-airport/1ef266df-f661-676c-851b-06bb2780ed98)
- [Flight duration calculator](/#calculator)