Burstow is a village and civil parish in the Tandridge district of Surrey, England. Its largest settlement is Smallfield. Smallfield is 2.5 miles (4.0 km) ENE of Gatwick Airport and the M23 motorway, 7.5 miles (12.1 km) southwest of Oxted and 1.8 miles (2.9 km) east of Horley. Crawley is a nearby large commercial town, 3.7 miles (6.0 km) southwest of Burstow and 5 miles (8.0 km) southwest of Smallfield.