A great distance (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
afar
'a great distance' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for afar that I've seen before include "(From/at) a great distance" , "a good way off" , "Many miles away" , "Unusually distant" , "At a distance (literary)" .)