That’s hard for me to answer Constanza because we’ve never really done that. You can go out to Windsor, that’s easy by train. It depends how far you want to go. I’ve lived on England’s south coast, Bournemouth in Hampshire, and driven to and from work in London every day for 3 months, most British people would consider that a big drive, most Australians would consider it a short one! People do take day trips out to the Cotswolds or to Stonehenge from London. Anywhere in southern England would be OK. Take a look at the train routes and prices and know that trains in the UK can be VERY expensive. I’ll add some links to this post about day trip options and tours if you can give me an hour or so, I have an idea!

Thanks for the info of major attractions, will study them one by one and try to do the best.

I wanted to know which are the best outer London places to visit. My idea is to get a train, see the country and reach some place not too far, but different from the city itself, viewable in a day. Any suggestions? I have in total a week in London. Thank you