The 45 mile bike route takes you past some stunning sights as you pass through Surrey and Berkshire. From the start, along The Mall, past St James’s Park where you will head towards Buckingham Palace before making your way out of the city. Your journey continues along The Thames and over Putney Bridge. You’ll finish this amazing journey in Windsor.
Link : http://www.princes-trust.org.uk/Main%20Site%20v2/headline%20news/palace%20to%20palace.asp