From US 30 to 318 to 65 to I75 I think (I know the trip by heart and could do it blindfolded).
You ever say something and wish you hadn't or didn't say something and wish you had? Ugh.
When I was visiting my son in Alaska (USAF) on an outing to catch red salmon (they don't call it fishing in Alaska, they call it catching) we ran into a guy that was in the process of transferring to Anchorage from Chicago. He was in management for UPS. He had all new fishing equipment. He told us the move was going to be more of an adjustment for his wife than him. She liked the big city. Especially shopping on the Miracle Mile and such. I asked him if she had been up there yet and he said "not yet". As the conversation ended and we turned to walk away, I looked at my son and he looked at me and we both kind of rolled our eyes and laughed. My son and I also know the Loop pretty well. Anyway, Dallas to Lima is kind of like Chicago to Anchorage IMO.
I have no idea what you like, whether you have any options or how long you plan on living there so maybe I should have chosen option one mentioned above. Grand Lake St. Marys is nearby but it's polluted with blue algae so it's dangerous for kids or pets to swim in it. Maybe Lake Erie beats it out of the being the worst in the state but I'm not sure. The pollution has kept the real estate prices down though. All that being said, I would strongly recommend you visiting first. Who knows, you may fall in love with the place.
Sometimes Google and Google Earth (especially Street View) can be helpful.
Good luck and stay healthy. When you've got your health you've got everything. 
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