# Distance from Delta Junction Ft Greely (BIG) to Johannesburg (JNB)

> 15,782 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,782 km / 9,806 mi / 8,521 nm
- **Estimated flight time**: 20h
- **Heading**: 9° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Africa
- **Intercontinental**: North America → Africa
- **Time difference**: +10h (When it's 10:33 in Delta Junction Ft Greely, it's 20:33 in Johannesburg)
- **Elevation difference**: 4,273 ft (JNB is higher than BIG)

## Airports

### [Allen Army Air Field (BIG)](https://www.flightduration.online/airport/big-delta-junction-ft-greely-allen-army-air-field/1ef266df-85c4-609a-b5b4-06bb2780ed98)

- City: Delta Junction Ft Greely, United States
- ICAO: PABI
- Timezone: America/Anchorage
- Coordinates: 64.000000, -145.720000
- Elevation: 1,285 ft

### [O. R. Tambo International Airport (JNB)](https://www.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 10:33 in Delta Junction Ft Greely, it's 20:33 in Johannesburg.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Allen Army Air Field (BIG)](https://www.flightduration.online/airport/big-delta-junction-ft-greely-allen-army-air-field/1ef266df-85c4-609a-b5b4-06bb2780ed98)
- [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)
- [Flight duration calculator](/#calculator)