I have moved to Cordoba. It was surprisingly smooth. It is about 700 km from Buenos Aires. It was a straight and comfortable road, almost like a highway.
Here is the accommodation information:
Hostel Centenario Dormitory, 140 Peso, includes breakfast.
Córdoba.
I strolled around the town of Cordoba. It is quite impressive for South America. They seem to be very serious about it.