As the UK's largest and busiest airport, London Heathrow (LHR) is home to some seriously long routes, with the facility having links to some of the world's most far-flung regions. However, there are also plenty of shorter corridors that originate at the airport, albeit none as short as the former Westward Airways shuttles to neighboring London Gatwick (LGW) used to be. Here are this year's shortest routes.