middle distance vs panorama

middle distance and panorama both are nouns.

Word	Noun	Adjective	Verb	Adverb
middle distance	Yes	No	No	No
panorama	Yes	No	No	No

As nouns, panorama is a hypernym of middle distance; that is, panorama is a word with a broader meaning than middle distance:

middle distance: the part of a scene between the foreground and the background
panorama: the visual percept of a region

Other hypernyms of middle distance include aspect, prospect, scene, view, vista.

middle distance (noun)	panorama (noun)
the part of a scene between the foreground and the background	a picture (or series of pictures) representing a continuous scene
	the visual percept of a region