Situated 30 miles from Llanfrynach, Cardiff is a favorite stop on most people’s road-trip itineraries. Head here to access Principality Stadium and Cardiff Castle, a couple of terrific attractions to circle on your map. Nothing screams fun like a road trip, so keep on cruising to Swansea. It’s 35 miles away and also offers a few worthwhile sights, such as Swansea Beach and Oystermouth Castle.