Mark:
What a great idea! I wish I was over there so I could play.
May I suggest that you strongly encourage choosing venues that are close to halfway between the two participants, and ideally that neither player is familiar with. For example, if Neil (based in Enville) were to play Duncan (based in Stockport), Google Maps shows that the closest course to the halfway point would be Trentham, a Colt and Alison design ... although they could go to Beau Desert or Sandiway if the one who had to travel farther was agreeable. That would make for great posts here!