Demand amounted to RON726.4 million and the ministry raised the allocation from its initial target of RON600 million.
Romania last sold October 2030 bonds in May at an average yield of 3.28%.
Romania's finance ministry on Monday raised 660.4 million lei (EUR134 million), slightly more than planned, selling bonds maturing in October 2030 at an average yield of 3.27%, central bank data showed.