The calculated distance (air line) between Miercurea-Ciuc and Baia Mare is approximately 139 miles respectively 223 kilometers.
By car or train, the actual journey to Baia Mare is certainly longer, as only the direct route (as the crow flies) between Miercurea-Ciuc and Baia Mare has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles