All bus routes to Watford (United Kingdom) B C L M O S B Bus Birmingham to Watford C Bus Cambridge to Watford Bus Cardiff to Watford L Bus London Heathrow Airport to Watford Bus London Stansted Airport to Watford Bus London to Watford Bus Luton Airport to Watford Bus Luton to Watford M Bus Manchester to Watford O Bus Oxford to Watford S Bus Southampton to Watford Bus Stratford-upon-Avon to Watford