They are less than 1 hour by train, which is about the same as to Heathrow from Oxford Circus. In terms of passenger numbers they are the 4th (STN) and 5th (LTN

They are less than 1 hour by train, which is about the same as to Heathrow from Oxford Circus. In terms of passenger numbers they are the 4th (STN) and 5th (LTN) busiest airports in the UK, and 22nd and 35th in Europe.