The calculated distance (air line) between Porrentruy and Zürich (Kreis 11) is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Zürich (Kreis 11) is certainly longer, as only the direct route (as the crow flies) between Porrentruy and Zürich (Kreis 11) has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles