The calculated distance (air line) between Neuchâtel and Zürich (Kreis 6) is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Zürich (Kreis 6) is certainly longer, as only the direct route (as the crow flies) between Neuchâtel and Zürich (Kreis 6) has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles