The calculated distance (air line) between Kumburgaz and Marmara Ereğlisi is approximately 28 miles respectively 44 kilometers.
By car or train, the actual journey to Marmara Ereğlisi is certainly longer, as only the direct route (as the crow flies) between Kumburgaz and Marmara Ereğlisi has been calculated here.
Air line (approximately)
44 kilometers
24 nautical miles