In London, the Kings Cross + St Pancras complex handles about 340,000 passengers per day, and is about 0.3km x 0.5km. Heathrow handles about 240,000 passengers

In London, the Kings Cross + St Pancras complex handles about 340,000 passengers per day, and is about 0.3km x 0.5km. Heathrow handles about 240,000 passengers per day, and is about 3km x 5km.