most of the countries will need a lot of walking and this is simply is the difference between vacation and traveling .... but what you can do is rent a car or in a country like Georgia you can even get a car and a driver and a guide in the price of car rental in western and central Europe for example .... in Georgia you can get a car with a driver and guide for around 40 $ a day and you choose whatever suite you and your mom of places , hotels and food so that will help to put a flexible program