Link between distance in a crow line from Genoa to the provincial capitals of Piedmont, Lombardy and Veneto and distance along the road: 55,  70, 155, 160, 155, 115, 105, 165, 110, 115,  85, 165, 110, 155, 105 85, 115, 205, 230, 185, 185, 145, 240, 140, 155, 125, 290, 170, 195, 135 linear regression with (0,0) as "fixed point":  y = 1.42*x

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