The calculated distance (air line) between Marmara Ereğlisi and Hayrabolu is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Hayrabolu is certainly longer, as only the direct route (as the crow flies) between Marmara Ereğlisi and Hayrabolu has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles