In DCS, if you don’t mind trading off some FOV for clarity then you can change the world scale a bit here. The good thing about the option is that you can do it ‘live’ in the cockpit from the pause menu (I think, been a while since I played with it).
As odd as it sounds, you can use a really low value (like ‘1’) and it’ll bring things down close for clarity. Not perfect might an easy way to play with it:
