Guesthouse 24-7 The Old Knoll Guesthouse offers accommodations in Newport, 12 miles from Motorpoint Arena Cardiff and 12 miles from Cardiff University. The property is around 12 miles from Cardiff Castle, 13 miles from Principality Stadium, and 13 miles from St David's Hall. Free Wifi is available throughout the property, and University of South Wales – Cardiff Campus is 12 miles away. At the guest house, each unit includes a private bathroom. Cardiff Bay is 17 miles from the guest house, while Clifton is 29 miles from the property. Cardiff Airport is 26 miles away.