The calculated distance (air line) between Laufen and Zürich (Kreis 2) is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Zürich (Kreis 2) is certainly longer, as only the direct route (as the crow flies) between Laufen and Zürich (Kreis 2) has been calculated here.
Air line (approximately)
77 kilometers
42 nautical miles