The calculated distance (air line) between Zürich (Kreis 12) / Schwamendingen-Mitte and Emmen is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Emmen is certainly longer, as only the direct route (as the crow flies) between Zürich (Kreis 12) / Schwamendingen-Mitte and Emmen has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles