The calculated distance (air line) between Muttenz and Zürich (Kreis 10) is approximately 41 miles respectively 66 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 Muttenz and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
66 kilometers
35 nautical miles