There are 3 airports servicing Milan; Malpensa, Linate and Orio al Serio in Bergamo. They are all easy to get to and from Milan city center by bus or train.
About 50 KM from the city center. There are shuttle busses or the Malpensa Express train to get to the city center.
About 10 KM from the city center. There are shuttle busses or the public bus 73 to get to the city center.
Orio al Serio Bergamo
About 60 KM from the city center. There are shuttle busses to Linate Airport and Central Station, or take the local bus to the Bergamo Station and the train to your final destination.
Milan Central Station (Milano Stazione Centrale) and Garibaldi Station are the main train station hubs. Some Trenord commuter trains arrive at Cadorna Station, as well as the Malpensa Express airport train.
Autostrade (motorways) leading to Milan are A1, A7 and A8.
Ring roads around Milan are A50, A51, A52 and A58.