The calculated distance (air line) between Liestal and Zürich (Kreis 11) is approximately 37 miles respectively 60 kilometers.
By car or train, the actual journey to Zürich (Kreis 11) is certainly longer, as only the direct route (as the crow flies) between Liestal and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
60 kilometers
32 nautical miles