If you look at a map then whichever way you choose, you're going to be going a long way around by trying to avoid Switzerland.
If you look on mappy.com - and input your starting point, and your destination, and then under 'Calculation of Expenses' select 'without tolls' - then it will calculate you a route around the top of Switzerland and into Italy, but it takes ten hours instead of four - and adds three hundred miles to your journey!
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