# Distance from Dayton (DAY) to Hanoi (HAN)

> 13,140 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,140 km / 8,165 mi / 7,095 nm
- **Estimated flight time**: 16h
- **Heading**: 349° (north)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 22:42 in Dayton, it's 09:42 in Hanoi)
- **Elevation difference**: 970 ft (HAN is lower than DAY)

## Airports

### [James M Cox Dayton International Airport (DAY)](https://www.flightduration.online/airport/day-dayton-james-m-cox-dayton-international-airport/1ef266df-16d1-6db8-8338-06bb2780ed98)

- City: Dayton, United States
- ICAO: KDAY
- Timezone: America/New_York
- Coordinates: 39.900000, -84.220000
- Elevation: 1,009 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 22:42 in Dayton, it's 09:42 in Hanoi.
With a 11-hour time difference, expect significant jet lag.

## Related

- [James M Cox Dayton International Airport (DAY)](https://www.flightduration.online/airport/day-dayton-james-m-cox-dayton-international-airport/1ef266df-16d1-6db8-8338-06bb2780ed98)
- [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)