15 ft XLR thoughts (BJC/Mogami etc)

I need a pair of 15 ft XLR cables to go between my PS Audio preamp and Mark Levinson amp.

I am looking at around $100/pair cables from BJC. BJC uses either Belden 1800F or Canare L-4E6S. Others recommend Mogami cables in a similar price range. BJC is a local company for me, so I like to buy theirs unless there is a compelling reason to go elsewhere. At 15 ft, is either the BJC Belden or Canare going to make any real difference? I live in a smallish town, most RF interference would likely be from a cell tower. Don’t know of any within 1/2 mile. Also, is 15 ft considered a "short run"?

Thanks