The calculated distance (air line) between Negreşti-Oaş and Oradea is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Oradea is certainly longer, as only the direct route (as the crow flies) between Negreşti-Oaş and Oradea has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles