Typically how long you can rent a car for depends on the inventory of the supplier. For Antonio Maceo Airport however, it is certainly possible to rent a car for an entire month.
View Sunnycars locations at Antonio Maceo Airport
Aeropuerto Santiago de Cuba
Aguilera P. de Marte
Avenida Raul Pujols Km1 1/2
Avenue Las Américas & Gnrale Cebreco
Heredia y Aguilera