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