# Distance from Seoul (ICN) to Kilwa Masoko (KIY)

> 10,342 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,342 km / 6,426 mi / 5,584 nm
- **Estimated flight time**: 13h
- **Heading**: 261° (west)
- **Return heading**: 53° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Tanzania
- **Intercontinental**: Asia → Africa
- **Time difference**: -6h (When it's 07:39 in Seoul, it's 01:39 in Kilwa Masoko)
- **Elevation difference**: 27 ft (KIY 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

### [Kilwa Masoko Airport (KIY)](https://www.flightduration.online/airport/kiy-kilwa-masoko-kilwa-masoko-airport/1ef266de-ee9f-6b9c-93ed-06bb2780ed98)

- City: Kilwa Masoko, Tanzania
- ICAO: HTKI
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -8.930000, 39.520000
- Elevation: 50 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 07:39 in Seoul, it's 01:39 in Kilwa Masoko.
With a 6-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)
- [Kilwa Masoko Airport (KIY)](https://www.flightduration.online/airport/kiy-kilwa-masoko-kilwa-masoko-airport/1ef266de-ee9f-6b9c-93ed-06bb2780ed98)
- [Flight duration calculator](/#calculator)