Faringdon is a market town in the Vale of White Horse, Oxfordshire, England, about 18 miles (29 km) southwest of Oxford and about 10 miles (16 km) northwest of Wantage.It is a large parish, its lowest parts extending to the River Thames in the north and its highest ground reaching the Ridgeway in the south.ing John also established an abbey in Faringdon in 1202, (probably on the site of Portwell House) but it soon moved to Beaulieu in Hampshire. In 1417 the aged Archbishop of Dublin, Thomas Cranley, died in Faringdon while journeying to London.