From: Aeropuerto Ing Ambosio Tarabella to Olinda Hostel by bus you must follow instructions fom this link: http://ow.ly/GrGKT (20kms).
From bus station to Olinda Hostel by bus follow instructions from this link: http://ow.ly/GrHRz (1,8kms).
From San Martin square to Olinda Hostel by bus: http://ow.ly/GrIyC