Demand for the issue amounted to RON1.5 billion and the ministry raised the allocation from its initial target of RON400 million.
Romania last sold October 2034 bonds in January at an average yield of 4.78%.
Romania's finance ministry on Thursday raised 558 million lei (EUR117.1 million) from local banks selling bonds maturing in October 2034 at an average yield of 4.47%, central bank data showed.