Now, I tried to follow consistent spacing idea more properly xd. But in general, I putted elements using circles' approaches like this https://imgur.com/a/lmVraYr I hope this method isn't too bad for making map..
So yeah, I remapped this with your suggestions but still unsure that my map is looking good enough (I understand there are lots of work to do).. Anyways I think now its better than before :)