The calculated distance (air line) between İzmir and Mustafakemalpaşa is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Mustafakemalpaşa is certainly longer, as only the direct route (as the crow flies) between İzmir and Mustafakemalpaşa has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles