How far is too far to travel for OBGYN?

So I'm getting real frustrated with my current OBGYN. Things aren't going as planned as my levels aren't rising and she won't check my progesterone. After having a mc and a chemical pregnancy, I think this is necessary. I want her to have as much concern as I do as I believe I know my body best and think that's what a doctor should do. Ugh.
So in the midst of this, I'm considering changing OBGYNs. Not just because of this, but because she was in no way pleasant or thorough when I saw her when I had a mc. However, my next closest option is an hour away. What do you think? I don't mind traveling for appointments, I'm just worried about when/if I go into labor if I can make it. 

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