# Distance from Hanoi (HAN) to Silistra (SLS)

> 7,498 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,498 km / 4,659 mi / 4,049 nm
- **Estimated flight time**: 10h
- **Heading**: 310° (northwest)
- **Return heading**: 82° (east)
- **Classification**: Long-haul
- **Type**: International (Vietnam) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 11:20 in Hanoi, it's 07:20 in Silistra)
- **Elevation difference**: 312 ft (SLS is higher than HAN)

## Airports

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 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 11:20 in Hanoi, it's 07:20 in Silistra.
The 4-hour time difference may cause some jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [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)