i would be very grateful if you could help me, because I can't find that information anywhere. The case is that I'm a MA in English Studies at university in Poland. I'd like to do PhD in somewhere in Great Britain but unfortunately I'm not able to move there. Is it possible to do PhD in a 'distance learning' mode? Please, help me!!

I think there are possibilites. Go to the website below and search for distant postgraduate programmes in English studies.

http://www.educationuk.org/

Try looking at Open University. www.open.ac.uk
They have many distance learning courses including Phd's, but they will expect you to at least make an appearance!

As I understand it you can register with a PhD in UK university but you only have to spend one year there and can then continue your studies somewhere else but still supervised by that uni. I have a friend who did first year PhD in my uni then returned home - he will only return for his viva. Hope this helps