Indonesia–Malaysia border Indonesia–Malaysia border The border between the Southeast Asian countries of Indonesia and Malaysia consist of both a land border separating the two countries' territories on the island of Borneo as well as maritime boundaries along the length of the Straits of Malacca, in the South China Sea and in the Celebes Sea. The land boundary has a length of 2,019.5 km and stretches from Tanjung Datu at the northwestern corner of Borneo, through the highlands of the Borneo hinterland, to the Gulf of Sebatik and the Celebes Sea in the eastern side of the island. The boundary separates the Indonesian
Brunei–Malaysia border the area, specifically in Blocks L and M, in exchange for Brunei giving its claim over Limbang. His comments followed the announcement by Murphy Oil Corp which said that its production sharing contract with Petronas for two petroleum blocks which were situated within Brunei's EEZ claim, had been terminated because they were "no longer a part of Malaysia". In response, Petronas issued a statement on 1 May 2010 confirming that it had terminated its production sharing contracts with its subsidiary Petronas Carigali Sdn Bhd and Murphy Sabah Oil Co Ltd as the two production blocks were no longer Malaysian territory.