# Distance from Seoul (ICN) to Sumy (UMY)

> 6,983 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,983 km / 4,339 mi / 3,771 nm
- **Estimated flight time**: 9h
- **Heading**: 315° (northwest)
- **Return heading**: 63° (east northeast)
- **Classification**: Long-haul
- **Type**: International (South Korea) → Ukraine
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 19:26 in Seoul, it's 13:26 in Sumy)
- **Elevation difference**: 571 ft (UMY 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

### [Sumy Airport (UMY)](https://www.flightduration.online/airport/umy-sumy-sumy-airport/1ef266df-e6f2-6baa-a44a-06bb2780ed98)

- City: Sumy, Ukraine
- ICAO: UKHS
- Timezone: Europe/Kyiv
- Coordinates: 50.860000, 34.760000
- Elevation: 594 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 19:26 in Seoul, it's 13:26 in Sumy.
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)
- [Sumy Airport (UMY)](https://www.flightduration.online/airport/umy-sumy-sumy-airport/1ef266df-e6f2-6baa-a44a-06bb2780ed98)
- [Flight duration calculator](/#calculator)