The range is huge as per cannon fact the distance naruto was sent flying, the Wind overshadowing the trees, and the fact he can make it small or as big as he like as per cannon and databook. As you stated, he was toying with them. And we both know the amount of chakra he possesess. You also add the fact the jutsu doesn't
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(unless specified), his clones can easily extend there necks from multiple angles to stay in the skiy creating constant gust of wind. Since it is a fact he cannot u
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.
We have long neck multiple clones in a octigon formation around Onoki. all using the jutsu constant or one after the other so no lag time is made.
We have giant Snake summons to also add hieght to get closer plus long necks.
We have Rashomon to boost him to the
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And ofc we have multiple flying swords that can also extend and disrupt him. He isnt a sensor so a stab to the back would eventually happen when he FOCUS jinton.
Oru has too many options to tell the truth. He has to first prep and charge then fire, that's way too much time for oru to do Multiple jutsu's. Not to mention Jinton from the shy would never hit Oru, ever! Too slow and seen through and dodged multiple ways.