Fill four 12-ounce glasses with ice. Divide the Orange Honey Syrup among the glasses, then top with the seltzer. Stir to combine and garnish with orange slices.
Orange Honey Syrup:
Stir together the orange juice, orange peel and honey in a small saucepan over medium heat until the mixture is hot and the honey has dissolved. Remove from the heat and let come to room temperature.