Where can I find Cornstarch in Gappenach?

Cornstarch can also be found in these cities:

Andernach Boppard Cochem Kobern-Gondorf Koblenz Lahnstein Mülheim-Kärlich Münstermaifeld Neuwied Nickenich Plaidt Treis-Karden Waldesch Weißenthurm

You can also find this in Gappenach:

Baked Goods Yeast Fresh Pumpernickel Breakfast Cereals Olives Drinks Dry Herbs Spaetzle Snacks Horseradish