The calculated distance (air line) between Wülflingen (Kreis 6) and Kriens is approximately 38 miles respectively 61 kilometers.
By car or train, the actual journey to Kriens is certainly longer, as only the direct route (as the crow flies) between Wülflingen (Kreis 6) and Kriens has been calculated here.
Air line (approximately)
61 kilometers
33 nautical miles