# Distance from Seattle (SEA) to Lensk (ULK)

> 6,940 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,940 km / 4,312 mi / 3,747 nm
- **Estimated flight time**: 9h
- **Heading**: 332° (north northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Long-haul
- **Type**: International (United States) → Russia
- **Intercontinental**: North America → Europe
- **Time difference**: +16h (When it's 23:25 in Seattle, it's 15:25 in Lensk)
- **Elevation difference**: 369 ft (ULK is higher than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [Lensk Airport (ULK)](https://www.flightduration.online/airport/ulk-lensk-lensk-airport/1ef266df-e501-6fc6-9d35-06bb2780ed98)

- City: Lensk, Russia
- ICAO: UERL
- Timezone: Asia/Yakutsk
- Coordinates: 60.720000, 114.830000
- Elevation: 801 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 23:25 in Seattle, it's 15:25 in Lensk.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Lensk Airport (ULK)](https://www.flightduration.online/airport/ulk-lensk-lensk-airport/1ef266df-e501-6fc6-9d35-06bb2780ed98)
- [Flight duration calculator](/#calculator)