You must turn on the browser location services to get the route from your current location to the sign, and the distance (as the crow flies) from your current location to the sign.
After activating location services, refresh the page.
On the sign:
St Frideswide founds a Monastery by the River Thames c.700 OXFORD PRESERVATION TRUST
The beginning of the historic Oxford Castle route, consisting of 14 plaques depicting landmarks on the site from 700 AD to 2006
St Frideswide Holy Patron of Oxford and also of the University of Oxford, Princess and Mother Abbey, founder of the first church in the city. Today the citys cathedral is where the church stood.