I drove to Mendoza from Santiago in a day. Rentals are cheaper in Chile (remember to get permission to drive over the boarder (usually less than $100US) A car is a requirement in Mendoza as it is well spread out. An option is to bus from BA than rent a car in Mendoza
From >>> http://www.iexplore.com/cityguides/Argentina/Buenos+Aires/Do's+and+Don'ts
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Driving times to Buenos Aires: From Córdoba - 9 hours; Mendoza - 17 hours; Puerto Iguazú - 20 hours; Ushuaia - 30 hours. Route 7 goes west to Mendoza and then on towards Santiago in Chile.
Coach services: Hundreds of bus companies operate long-distance services from the city's Retiro Terminal de Omnibus, Avenida Antártida Argentina (tel: (011) 4310 0700/07), which is located next to the Retiro train station. Facilities at the modern and well organized terminal include tourist information, a restaurant, cafés, left-luggage, ATM, shops, pharmacy and internet facilities. Each bus company has its own desk, above which its destinations are listed. There are coach services to hundreds of national destinations, as well as international services between Buenos Aires and Bolivia, Brazil, Chile, Paraguay and Uruguay.
Getting There By Rail:
Rail: Trains are no longer a viable option for getting to or around Argentina, as most passenger rail services have ceased.
The driving distance from Mendoza, Argentina to Buenos Aires is 652.84mi / 1050.65km
About 745 miles.
Capital: Buenos AiresCapital: Buenos AiresCapital: Buenos AiresCapital: Buenos AiresCapital: Buenos AiresCapital: Buenos AiresCapital: Buenos Aires
744 miles
Buenos Aires, Córdoba, Rosario and Mendoza
The shortest distance (air line) between Beijing and Buenos Aires is 19,273.02 km
The flight distance from Minneapolis, Minnesota to Buenos Aires, Argentina is 5,897 miles.
Alberto de Mendoza was born on January 21, 1923, in Buenos Aires, Argentina.
By population: Buenos Aires, Córdoba, Rosario, Mendoza and Tucumán.
Pedro de Mendoza; A Spainish colonist who founded Buenos Aires.
To get from Buenos Aires to Mendoza, you can take a direct flight, which typically takes about 1.5 hours. Alternatively, you can travel by bus, which takes around 12-14 hours, offering a more scenic route through the Argentine countryside. If you prefer to drive, the distance is approximately 1,100 kilometers and can be covered in about 12 hours, depending on the route and traffic conditions.
Buenos Aires to Cleveland, Ohio is about 4,750 air miles.