This question, "What map scales have you found useful", was put on hold as too opinion-based.
I've tried to reformulate it. Will this question get put on hold as too opinion-based?
I've tried hard to adhere to "What types of questions should I avoid asking" and "Good subjective, bad subjective."
While no doubt this question will elicit subjective answers, I'm aiming for good subjective and constructive objective.
Title: How can I make useful campaign-level maps?
I've made maps in various different ways and they've been variously useful. I would like to improve the usefulness of my mapping though.
In particular, one issue is the issue of scaling. The DMG, on p 14, suggests three levels of scaling, at 5 miles per inch, 30 miles per inch, and 300 miles per inch.
To be clear, I'm talking about campaign level maps, maps intended to provide a view of a fairly large to very large stretches of territory, as opposed to town or city maps, or dungeon or encounter-level maps.
I'm particularly interested in D&D 5e, but answers from any RPG might be useful.
How can I make useful campaign-level maps?