The London Blue Badge also includes training on most of the sites that can be reached in a days return of London. such as..

Bath [More]	Winchester
Salisbury	Stonehenge
Oxford	Stratford-upon-Avon
Warwick	Cambridge
Canterbury	Dover
Leeds Castle	Windsor Castle
Hampton Court	The Surrey Countryside

Advice can be given not only on what is practical within your time restraints but also refreshment stops and unusual places to visit.