Over the Air antenna recommendations

Unless you live on a hill with a clear shot of the nearest towers, you are not going to get much of anything with an antenna behind the tv. Digital signals are just not forgiving with obstructive views, unlike old analog signals.
Try: https://www.antennaweb.org/
to see if that even shows what channels you might get. It might not even show much based on the distances you listed. As mentioned you're going to prob have to mount an antenna outside and as high off the ground you can get. Channelmaster are pretty good antennas as well.
Go as long range as you can. Good luck. My parents are about the same distance and are pretty limited.
 
I use Tablo with an over the air antenna with Roku so I dont have to split the coax to different TVs and lower the signal quality.
 
Unless you live on a hill with a clear shot of the nearest towers, you are not going to get much of anything with an antenna behind the tv. Digital signals are just not forgiving with obstructive views, unlike old analog signals.
Don’t lump all digital signals together. ATSC-3 signals should be much better in that regard than ATSC-1 signals. The single frequency network stuff could also help a lot but I don’t know how much that will get used, especially in smaller markets.