The calculated distance (air line) between Kriens and Zürich (Kreis 10) is approximately 28 miles respectively 45 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 Kriens and Zürich (Kreis 10) has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles