The calculated distance (air line) between Sangüesa/Zangoza and Pamplona is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Pamplona is certainly longer, as only the direct route (as the crow flies) between Sangüesa/Zangoza and Pamplona has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles