Faversham is a market town in Kent, England, 8 miles from Sittingbourne, 48 miles from London and 10 miles from Canterbury, next to the Swa…Faversham is a market town in Kent, England, 8 miles from Sittingbourne, 48 miles from London and 10 miles from Canterbury, next to the Swale, a strip of sea separating mainland Kent from the Isle of Sheppey in the Thames Estuary. It is close to the A2, which follows an ancient British trackway now known as Watling Street, which was used by the Romans and the Anglo-Saxons.