http://www.numbeo.com/cost-of-living/gmaps.jsp

Some more interesting highlights:

Portland Oregon: Pack of Cigarettes (Marlboro) $5.41

Tehran Iran: Pack of Cigarettes (Marlboro) $2.39

Tehran Iran: 1 Pair of Nike Shoes $120.00

Mumbai India: Loaf of Fresh White Bread (500g) $0.39

Boston MA: Water (1.5 liter bottle) $2.05

Japan: Price per Square Meter to Buy Apartment in City Centre $17,489.59