When completed, nearly 74 English miles long, or 80 Roman miles, but with an extension of the system (without a physical Wall) down the Western coast for a further 40 miles. Hadrian’s Wall stretches from Wallsend in the east, through Newcastle-upon-Tyne and westwards to Bowness on Solway in Cumbria with the extension travelling to Maryport on the Cumbrian coast.