The calculated distance (air line) between Beylikdüzü and Marmara Ereğlisi is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Marmara Ereğlisi is certainly longer, as only the direct route (as the crow flies) between Beylikdüzü and Marmara Ereğlisi has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles