“No Two Of Which Can Be More Than 30 Feet Apart”

A number of spells (such as haste) in d20-derrivitive games have a “targets” entry that is a number of creatures (often 1 creature/level), no two of which may be more than 30 feet apart.

I have seen that last part cause a lot of confusion among games.

Now, I get that the phrasing is done that way because the spell entry is “targets” rather than “area,” but can anyone think of a case where “one creature/level, no two of which may be more than 30 feet apart” is different from “one creature/level, all within a 35-foot diameter”?

(If I was changing it in an actual product, I’d likely go with “one creature/level, all within a 20-foot radius,” but that does produce a slightly larger range… which I think is fine and weirdly easier to parse.)

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