# Distance from Cancun (CUN) to Sishen (SIS)

> 12,965 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,965 km / 8,056 mi / 7,001 nm
- **Estimated flight time**: 16h
- **Heading**: 111° (east southeast)
- **Return heading**: 281° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Mexico) → South Africa
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 03:43 in Cancun, it's 10:43 in Sishen)
- **Elevation difference**: 3,826 ft (SIS is higher than CUN)

## Airports

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 ft

### [Sishen Airport (SIS)](https://www.flightduration.online/airport/sis-sishen-sishen-airport/1ef266de-d48f-6414-bfd9-06bb2780ed98)

- City: Sishen, South Africa
- ICAO: FASS
- Timezone: Africa/Johannesburg
- Coordinates: -27.650000, 23.000000
- Elevation: 3,848 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 03:43 in Cancun, it's 10:43 in Sishen.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)
- [Sishen Airport (SIS)](https://www.flightduration.online/airport/sis-sishen-sishen-airport/1ef266de-d48f-6414-bfd9-06bb2780ed98)
- [Flight duration calculator](/#calculator)