Europcar
keddy by Europcar
Avis
Booking in advance not only ensures a better chance of getting your vehicle of choice, it can save you up to 86% on your car hire. For a below average price at Bamako Airport, Cheapflights recommends booking your car hire at least 32 days in advance.
The length of time you can book a rental for is subject to the inventory of the supplier. When renting a vehicle from Bamako Airport it should be possible to rent a car for a whole month if needed.