# Distance from Christchurch (CHC) to Dayrestan Airport (GSM)

> 14,109 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,109 km / 8,767 mi / 7,618 nm
- **Estimated flight time**: 18h
- **Heading**: 274° (west)
- **Return heading**: 126° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Iran
- **Intercontinental**: Oceania → Asia
- **Time difference**: -8.5h (When it's 09:23 in Christchurch, it's 00:53 in Dayrestan Airport)
- **Elevation difference**: 78 ft (GSM is lower 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

### [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)

- City: Dayrestan Airport, Iran
- ICAO: OIKQ
- Timezone: Asia/Tehran
- Coordinates: 26.750000, 55.900000
- Elevation: 45 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 09:23 in Christchurch, it's 00:53 in Dayrestan Airport.
With a 8.5-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)
- [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)
- [Flight duration calculator](/#calculator)