Where can I find Mega burger bun in Châtillon?

Mega burger bun can also be found in these cities:

Aesch Biberist Biel Bienne Breitenbach Delémont Derendingen Ettingen Gerlafingen Grenchen Kanton Reinach Langendorf Laufen Moutier Solothurn Tavannes Tramelan Zuchwil

You can also find this in Châtillon:

Butter Bread Cornstarch Spread Sweet Food For A Low Cholesterol Diet Pasta Dishes Fruit Juices Instant Cappucino Breakfast Croissants Canned Food