# Distance from Christchurch (CHC) to Shemya (SYA)

> 10,697 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,697 km / 6,647 mi / 5,776 nm
- **Estimated flight time**: 14h
- **Heading**: 1° (north)
- **Return heading**: 181° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -21h (When it's 20:04 in Christchurch, it's 23:04 in Shemya)
- **Elevation difference**: 25 ft (SYA is lower than CHC)

## Airports

### [Christchurch International Airport (CHC)](https://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

### [Eareckson Air Station (SYA)](https://flightduration.online/airport/sya-shemya-eareckson-air-station/1ef266df-8831-6558-891b-06bb2780ed98)

- City: Shemya, United States
- ICAO: PASY
- Timezone: America/Adak
- Coordinates: 52.700000, 174.100000
- Elevation: 98 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 20:04 in Christchurch, it's 23:04 in Shemya.
With a 21-hour time difference, expect significant jet lag.

## Related

- [Christchurch International Airport (CHC)](https://flightduration.online/airport/chc-christchurch-christchurch-international-airport/1ef266df-7661-64f4-a788-06bb2780ed98)
- [Eareckson Air Station (SYA)](https://flightduration.online/airport/sya-shemya-eareckson-air-station/1ef266df-8831-6558-891b-06bb2780ed98)
- [Flight duration calculator](/#calculator)