On Friday: Culemborg, Westvoorne and Nissewaard. On Saturday during the brevet: Druten, Zaltbommel, West Maas en Waal, Maasdriel, Tiel and West Betuwe. And on Sunday: Voorschoten en Waddinxveen.
After that only Vlieland and Terschelling remain. I plan to do these as day trips later in the year.