Sometimes getting hopelessly lost is the best way to discover more about yourself. That said, before you grab the keys to your rental car, it's useful to know a few basic facts about Tunis Airport (TUN-Tunis - Carthage Intl.) --- like where it is on a map!Once you've picked up your belongings from the luggage carousel at Tunis Airport (TUN-Tunis - Carthage Intl.), get ready to hop into the driver's seat of your rental car and make your way into Tunis. The downtown area is about 4 miles to the southwest of the terminal.