# Distance from Seoul (ICN) to Cumaru Do Norte (ITI)

> 16,807 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,807 km / 10,443 mi / 9,075 nm
- **Estimated flight time**: 21h
- **Heading**: 355° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 14:16 in Seoul, it's 02:16 in Cumaru Do Norte)
- **Elevation difference**: 1,073 ft (ITI is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.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

### [Agropecuaria Castanhais Airport (ITI)](https://www.flightduration.online/airport/iti-cumaru-do-norte-agropecuaria-castanhais-airport/1ef266df-c265-60b2-be5d-06bb2780ed98)

- City: Cumaru Do Norte, Brazil
- ICAO: SNYH
- Timezone: America/Santarem
- Coordinates: -8.700000, -51.170000
- Elevation: 1,096 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 14:16 in Seoul, it's 02:16 in Cumaru Do Norte.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Agropecuaria Castanhais Airport (ITI)](https://www.flightduration.online/airport/iti-cumaru-do-norte-agropecuaria-castanhais-airport/1ef266df-c265-60b2-be5d-06bb2780ed98)
- [Flight duration calculator](/#calculator)