# Distance from Clayton (CAO) to Hanoi (HAN)

> 12,917 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,917 km / 8,027 mi / 6,975 nm
- **Estimated flight time**: 16h
- **Heading**: 330° (north northwest)
- **Return heading**: 26° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Vietnam
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 10:55 in Clayton, it's 23:55 in Hanoi)
- **Elevation difference**: 4,931 ft (HAN is lower than CAO)

## Airports

### [Clayton Municipal Airpark (CAO)](https://www.flightduration.online/airport/cao-clayton-clayton-municipal-airpark/1ef266df-1303-6cfe-b7f8-06bb2780ed98)

- City: Clayton, United States
- ICAO: KCAO
- Timezone: America/Denver
- Coordinates: 36.450000, -103.150000
- Elevation: 4,970 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 10:55 in Clayton, it's 23:55 in Hanoi.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Clayton Municipal Airpark (CAO)](https://www.flightduration.online/airport/cao-clayton-clayton-municipal-airpark/1ef266df-1303-6cfe-b7f8-06bb2780ed98)
- [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)