Complex sentence: There is some nice countryside nearby and is a pleasent area to live it lies mid way between 3 cities Newcastle which is about 12 miles away Durham which is 12 miles away and Sunderland which is about 13 miles away.
Split into simpler sentences: There is some nice countryside nearby and is a pleasent area in which to live. Durham, which is 12 miles away; and Sunderland which is about 13 miles away.