# Distance from St Louis (STL) to Sumy (UMY)

> 8,710 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,710 km / 5,412 mi / 4,703 nm
- **Estimated flight time**: 11h
- **Heading**: 32° (north northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Ukraine
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 01:38 in St Louis, it's 09:38 in Sumy)
- **Elevation difference**: 23 ft (UMY is lower than STL)

## Airports

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 01:38 in St Louis, it's 09:38 in Sumy.
With a 8-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Sumy Airport (UMY)](https://www.flightduration.online/airport/umy-sumy-sumy-airport/1ef266df-e6f2-6baa-a44a-06bb2780ed98)
- [Flight duration calculator](/#calculator)