According to Official Guinness Records,
The greatest distance rowed on the Atlantic Ocean is 13,085 km (8,150 mi;7,065 nm) and was achieved by Erden Eruç (Turkey) between 10 November 2011 and 27 May 2012. This record is ratified by the Ocean Rowing Society International. Erden completed this journey in his boat, Around-n-Over, as part of his record-breaking first solo circumnavigation of the globe using human power.Erden rowed this journey in two stages - first from Luderitz, Namibia to Guiria, Venezuela, and then from Carupano, Venezuela to Cameron, Louisiana, USA.
For a complete list of 2012 records, please visit 2012 Guinness Records in United States.