Welcome to Johannesburg Airport (JNB-O.R. Tambo Intl.). Before you get your adventure underway, it's always handy to know a few things about where you're headed. So pull out your map, pick up a pen and listen up.Once you've picked up your suitcase from the carousel at Johannesburg Airport (JNB-O.R. Tambo Intl.), get ready to start the engine of your rental car and make your way into Pretoria. The central area is situated 28 miles to the north of the airport terminal.