Quote Originally Posted by piperdbh View Post
If you find a jacket that fits but has too-short sleeves, there might be enough fabric hemmed into the cuffs which could be let out to extend the sleeves. I've had this done on two conversions and my PC. (I'm the same measurements as you, it seems, and rarely find sleeves that are long enough.) If you let the cuffs out, and re-hem them to the proper length, you'll have to resew the lining, as well, which is not a big job.

I've not done this work myself. I've hired it done a by a very capable seamstress in town.

Let is know how it turns out.
Adding cuffs can lengthen the sleeves but you must plan for the length so cut off from the jacket will give you the length of cuff that you need. Otherwise, you will have a cuff that is too small.