The calculated distance (air line) between La Chaux-de-Fonds and Zürich (Kreis 4) / Aussersihl is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Zürich (Kreis 4) / Aussersihl is certainly longer, as only the direct route (as the crow flies) between La Chaux-de-Fonds and Zürich (Kreis 4) / Aussersihl has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles