# Distance from Greeneville (GCY) to Hanoi (HAN)

> 13,566 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,566 km / 8,430 mi / 7,325 nm
- **Estimated flight time**: 17h
- **Heading**: 351° (north)
- **Return heading**: 8° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 20:33 in Greeneville, it's 07:33 in Hanoi)
- **Elevation difference**: 1,569 ft (HAN is lower than GCY)

## Airports

### [Greeneville Municipal Airport (GCY)](https://www.flightduration.online/airport/gcy-greeneville-greeneville-municipal-airport/1ef266df-1dd6-63c0-969e-06bb2780ed98)

- City: Greeneville, United States
- ICAO: KGCY
- Timezone: America/New_York
- Coordinates: 36.200000, -82.810000
- Elevation: 1,608 ft

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 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 20:33 in Greeneville, it's 07:33 in Hanoi.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Greeneville Municipal Airport (GCY)](https://www.flightduration.online/airport/gcy-greeneville-greeneville-municipal-airport/1ef266df-1dd6-63c0-969e-06bb2780ed98)
- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)