If you’re looking for a pleasant detour, point your car in the direction of Naples. It’s home to terrific attractions like Castel dell’Ovo and Naples National Archaeological Museum. To get there, travel 40 miles from Gallo Matese. Get ready to rack up those miles, because Amalfi Cathedral and Villa Rufolo are also worth a day trip. You’ll find these popular sights in Amalfi, 60 miles away.