Horley is a town in the borough of Reigate and Banstead in Surrey, England south of the towns of Reigate and Redhill. The county border with West Sussex is to the south with Crawley and Gatwick Airport close to the town. With fast links by train round-the-clock to London from Horley railway station, it qualifies as a commuter town and has a significant economy of its own, including business parks and a relatively long high street.