# Distance from Costa Marques (CQS) to Hanoi (HAN)

> 18,575 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,575 km / 11,542 mi / 10,030 nm
- **Estimated flight time**: 23h
- **Heading**: 46° (northeast)
- **Return heading**: 311° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Vietnam
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 16:59 in Costa Marques, it's 03:59 in Hanoi)
- **Elevation difference**: 516 ft (HAN is lower than CQS)

## Airports

### [Costa Marques Airport (CQS)](https://flightduration.online/airport/cqs-costa-marques-costa-marques-airport/1ef266df-d601-63b4-9923-06bb2780ed98)

- City: Costa Marques, Brazil
- ICAO: SWCQ
- Timezone: America/Porto_Velho
- Coordinates: -12.420000, -64.250000
- Elevation: 555 ft

### [Noi Bai International Airport (HAN)](https://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 16:59 in Costa Marques, it's 03:59 in Hanoi.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Costa Marques Airport (CQS)](https://flightduration.online/airport/cqs-costa-marques-costa-marques-airport/1ef266df-d601-63b4-9923-06bb2780ed98)
- [Noi Bai International Airport (HAN)](https://flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)