From Milano Cadorna Train to Milan Malpensa airport, fly to Copenhagen airport, then Subway to Copenhagen. 5hrs 01min 119 €. From Milano - Via Ripamonti bus to Milan Linate airport, fly to Copenhagen airport, then Subway to Copenhagen. 5hrs 27min 162 €. From Duomo Metro to Milan, bus to Bologna, bus to Venezia Mestre Station, bus to Venice Airport, bus to Ljubljana, then bus to Copenhagen. 29hrs 24min 242 €. From Milan drive to Copenhagen. 16hrs 32min 299 €.