(See the Related link.)
About 11 hours
A flight from London, UK --> Johannesburg, South Africa would take about 12 hours.
About 10 hours.
how long is a flight between Johannesburg to brisbane?
17 Hrs New York to Johannesburg via Dakar. 2.5 Hrs Johannesburg to Windhoek.
to zanzibar
to where
The flight distance from London Heathrow Airport to Johannesburg's Tambo International Airport (formerly officially known as Johannesburg International Airport) is 5,620 miles / 9,045 km
Johannesburg Intl to Windhoek Intl: 2 hours
About 8 hours.
1 hour
About 20 hours
About 13 hours.