The calculated distance (air line) between Cham and Zürich (Kreis 12) is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Zürich (Kreis 12) is certainly longer, as only the direct route (as the crow flies) between Cham and Zürich (Kreis 12) has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles