# Distance from Washington (IAD) to Silistra (SLS)

> 8,100 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,100 km / 5,033 mi / 4,374 nm
- **Estimated flight time**: 11h
- **Heading**: 47° (northeast)
- **Return heading**: 308° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 21:33 in Washington, it's 04:33 in Silistra)
- **Elevation difference**: 39 ft (SLS is higher than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Silistra Polkovnik Lambrinovo Airfield (SLS)](https://www.flightduration.online/airport/sls-silistra-silistra-polkovnik-lambrinovo-airfield/1ef266df-4371-6c24-944f-06bb2780ed98)

- City: Silistra, Bulgaria
- ICAO: LBSS
- Timezone: Europe/Sofia
- Coordinates: 44.060000, 27.180000
- Elevation: 351 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 21:33 in Washington, it's 04:33 in Silistra.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Silistra Polkovnik Lambrinovo Airfield (SLS)](https://www.flightduration.online/airport/sls-silistra-silistra-polkovnik-lambrinovo-airfield/1ef266df-4371-6c24-944f-06bb2780ed98)
- [Flight duration calculator](/#calculator)