Travelers are voting Durham Castle, Barnard Castle and Auckland Castle as the best of 5 castles in Durham. There are 5 castles in Durham a city just 37 km from Durham and 2 castles in Sunderland which is 39 km distant. The most popular of these are Durham Castle in Durham and Auckland Castle in Sunderland. You can find 104 Castle in the country of United Kingdom and Tower of London is our members favorite Castle in all of United Kingdom. Want more? Check out our map of castles in Durham.