Dingo Fence (IMAGE) University of New South Wales Caption The 5600 kilometres long Dingo Fence is one of the longest structures in the world. Credit Mike Letnic Usage Restrictions Can only be used in relation to this story and with image credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.