The calculated distance (air line) between Malters and Zürich (Kreis 10) is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Zürich (Kreis 10) is certainly longer, as only the direct route (as the crow flies) between Malters and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles