# Distance from Hanoi (HAN) to Merlo (RLO)

> 18,488 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,488 km / 11,488 mi / 9,983 nm
- **Estimated flight time**: 23h
- **Heading**: 214° (southwest)
- **Return heading**: 142° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -10h (When it's 08:21 in Hanoi, it's 22:21 in Merlo)
- **Elevation difference**: 1,982 ft (RLO is higher than HAN)

## Airports

### [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

### [Valle Del Conlara International Airport (RLO)](https://www.flightduration.online/airport/rlo-merlo-valle-del-conlara-international-airport/1ef266df-9228-6f70-a814-06bb2780ed98)

- City: Merlo, Argentina
- ICAO: SAOS
- Timezone: America/Argentina/San_Luis
- Coordinates: -32.380000, -65.190000
- Elevation: 2,021 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 08:21 in Hanoi, it's 22:21 in Merlo.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Valle Del Conlara International Airport (RLO)](https://www.flightduration.online/airport/rlo-merlo-valle-del-conlara-international-airport/1ef266df-9228-6f70-a814-06bb2780ed98)
- [Flight duration calculator](/#calculator)