The calculated distance (air line) between Dübendorf and La Chaux-de-Fonds is approximately 87 miles respectively 139 kilometers.
By car or train, the actual journey to La Chaux-de-Fonds is certainly longer, as only the direct route (as the crow flies) between Dübendorf and La Chaux-de-Fonds has been calculated here.
Air line (approximately)
139 kilometers
75 nautical miles