The calculated distance (air line) between Munich and Zürich (Kreis 3) is approximately 153 miles respectively 246 kilometers.
By car or train, the actual journey to Zürich (Kreis 3) is certainly longer, as only the direct route (as the crow flies) between Munich and Zürich (Kreis 3) has been calculated here.
Air line (approximately)
246 kilometers
132 nautical miles