According to the reciprocity map, your only problem areas are Illinois and Wisconsin. See this:
http://www.buckeyefirearms.org/ohio-ccw-reciprocity-map
And as a personal note, I regularly take my firearms with me, shooting is fun for me.
All my weapons are in cases, separated from the ammo, and no weapon (except my personal CCW) is readily available to me from the driver's seat. I also like the ammo in a padlocked, metal container.
Have never been stopped.
May God bless,
Dwight
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