to the horizon (= where the sky meets the land or sea) :
The bleak moorland stretched on all sides as far as the eye could see.
to the horizon (= where the sky meets the land or sea) :
The bleak moorland stretched on all sides as far as the eye could see.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005