# Distance from Gasmata Island (GMI) to Johannesburg (JNB)

> 12,811 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,811 km / 7,961 mi / 6,918 nm
- **Estimated flight time**: 16h
- **Heading**: 237° (west southwest)
- **Return heading**: 111° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Papua New Guinea) → South Africa
- **Intercontinental**: Oceania → Africa
- **Time difference**: -8h (When it's 16:52 in Gasmata Island, it's 08:52 in Johannesburg)
- **Elevation difference**: 5,535 ft (JNB is higher than GMI)

## Airports

### [Gasmata Island Airport (GMI)](https://flightduration.online/airport/gmi-gasmata-island-gasmata-island-airport/1ef266de-9b51-6030-8593-06bb2780ed98)

- City: Gasmata Island, Papua New Guinea
- ICAO: AYGT
- Timezone: Pacific/Port_Moresby
- Coordinates: -6.270000, 150.330000
- Elevation: 23 ft

### [O. R. Tambo International Airport (JNB)](https://flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)

- City: Johannesburg, South Africa
- ICAO: FAOR
- Timezone: Africa/Johannesburg
- Coordinates: -26.130000, 28.240000
- Elevation: 5,558 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 16:52 in Gasmata Island, it's 08:52 in Johannesburg.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Gasmata Island Airport (GMI)](https://flightduration.online/airport/gmi-gasmata-island-gasmata-island-airport/1ef266de-9b51-6030-8593-06bb2780ed98)
- [O. R. Tambo International Airport (JNB)](https://flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)
- [Flight duration calculator](/#calculator)