Travelling by train from the Milan airports one needs to take the shuttle bus from the airport to the central station in Milan (Milano Centrale) and then a train to Arona. From Arona one can catch a taxi to Orta San Giulio which is around 50-55 euro. Otherwise a train from the central station to Novara, change at Novara for a train heading to Domodossola which stops at the train station of Orta-Miasino. Airport transfers from Milan Malpensa can be arranged on request at a charge.