The road measures 74.33 miles long and would take a car obeying speed limits 1 hours and 57 minutes to travel its length.
The A20 is a A Road and is located in the Zone 2 Highways Region.
This is a true long-distance route, journeying through numerous towns like New Cross, Brockley, Deptford, Lewisham, Lee, Blackheath, Eltham, SIDCUP, CHISLEHURST, ORPINGTON, St. Pauls Cray, SWANLEY, Farningham, Fawkham, West Kingsdown, Stansted, Wrotham, Wrotham Heath, Addington, Ryarsh, Leybourne, WEST MALLING, Larkfield, East Malling, Ditton, AYLESFORD, Quarry Wood, Royal British Legion Village, Allington, MAIDSTONE, Weavering, Bearsted, Hollingbourne, Broomfield, Harrietsham, Lenham, Charing, Hothfield, ASHFORD, Willesborough, Mersham, Smeeth, Sellindge, Newingreen, Lympne, Sandling, Postling, Saltwood, Newington, Frogholt, FOLKESTONE, Park Farm Industrial Estate, Hawkinge, Capel-le-Ferne, Church Hougham, and DOVER.
The road connects Greater London and Kent.