The University is a member of the European Association of Universities (EAU), South East European Association of Transport Researches (SETREF), International Association of Maritime University (IAMU), and Magna Charta Universitatum. The ONMU is the Coordinator of the University Network of Central European Initiative (CEI) in Ukraine.
Since 1995 ONMU participated in Trans-European Programs of Cooperation (TACІS –TEMPUS, Erasmus +) and CEI Programmes.