The calculated distance (air line) between Orbe and La Chaux-de-Fonds is approximately 29 miles respectively 47 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 Orbe and La Chaux-de-Fonds has been calculated here.
Air line (approximately)
47 kilometers
26 nautical miles