OK, I have learned a little trick. And yes hrt does reduce the size, well at least reduce the muscle mass.
If your hands have had a hard life, as mine have. Put a little foundation on them before you go out. Good foundation lasts pretty long and it will make your hands not stand out so much, while covering scares and maybe pronounced veins you may have.
OK, I will make you feel good about yourself again. I am 5'10. Which isn't too bad. Although when I go out in heels and into the restroom I am immediately reminded of why they call it "the little girls room",

Anyway. If I stretch my arms out in each direction. My reach is 75" (from tip of middle finger to tip of other) I think I got most you beat !!!! And no my knuckles do not drag on the ground .

And I have large hands, but you know... I'm OK with all that, Life is good !!!