Make sure you have a full tank of gas, because Londonderry is worth a detour. Situated 55 miles from Rosslea, it has a few fabulous attractions, such as Derry City Walls and Museum of Free Derry and Bloody Sunday Memorial. Still up for some sightseeing? Key Belfast into your GPS. This delightful destination is also home to some cool sights like Titanic Belfast and Belfast Castle, and it’s just 60 miles away.