# Distance from Costa Marques (CQS) to Seoul (ICN)

> 17,033 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,033 km / 10,584 mi / 9,197 nm
- **Estimated flight time**: 21h
- **Heading**: 341° (north northwest)
- **Return heading**: 24° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → South Korea
- **Intercontinental**: South America → Asia
- **Time difference**: +13h (When it's 09:49 in Costa Marques, it's 22:49 in Seoul)
- **Elevation difference**: 532 ft (ICN 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

### [Incheon International Airport (ICN)](https://flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 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 09:49 in Costa Marques, it's 22:49 in Seoul.
With a 13-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)
- [Incheon International Airport (ICN)](https://flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)