By Bus:
Bus travel is another means of exploring Argentina, although distances can be long (expect 20+ hour journeys) and if you`re only here for two weeks, it`s probably better to spend a little bit more on flights.
By Rental Car:
If you`ve got a bit more time, consider renting a car. Car rental is readily available throughout Argentina, though it is a bit expensive compared with other forms of transportation. Travelling by car allows you to visit locations that are hard to reach by public transportation. Patagonia, in the South of Argentina, is a popular driving location among tourists due to the magnificent views across many miles of open land.
Argentina generally recognizes valid drivers` licenses from foreign jurisdictions. Drivers must be over 21. The rental companies will charge the renters card ARS6000 to be used in the event of an accident. Traffic regulations in Argentina are generally the same as in the US, but the local often ignore the regulations. On roads and highways it`s mandatory to have car lights on, even during daytime. Be aware that the driving style in Argentina is aggressive and chaotic. Pay attention at night.
By Train:
There are trains from Buenos Aires to Tucuman, Cordoba, Rosario (from Retiro station), Bahia Blanca and Mar del Plata (from Constitucion station) among others. Also some limited services in and out of Viedma and Bariloche. Tickets are very cheap.
In recent years the government has promoted the re-establishment of long distance passenger trains, although most lines still operate at a low frequency (one or two departures weekly). The rail network is very limited, and intercity buses offer more frequencies in most corridors.