# Distance from Christchurch (CHC) to Silistra (SLS)

> 17,253 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,253 km / 10,721 mi / 9,316 nm
- **Estimated flight time**: 21h
- **Heading**: 283° (west northwest)
- **Return heading**: 101° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Bulgaria
- **Intercontinental**: Oceania → Europe
- **Time difference**: -9h (When it's 08:41 in Christchurch, it's 23:41 in Silistra)
- **Elevation difference**: 228 ft (SLS is higher than CHC)

## Airports

### [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)

- City: Christchurch, New Zealand
- ICAO: NZCH
- Timezone: Pacific/Auckland
- Coordinates: -43.490000, 172.530000
- Elevation: 123 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 08:41 in Christchurch, it's 23:41 in Silistra.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Christchurch International Airport (CHC)](https://www.flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [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)