The calculated distance (air line) between Sighetu Marmaţiei and Oradea is approximately 110 miles respectively 178 kilometers.
By car or train, the actual journey to Oradea is certainly longer, as only the direct route (as the crow flies) between Sighetu Marmaţiei and Oradea has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles