My new bike came with rims that have a 23 mm flange distance. There is no hook to hold the tire's bead though. A 32-622 tire (Maxis mud wrestler) is paired with it.
I also got a set of a 28- and a 32-622 Vittoria randonneur tires.
Common knowledge (see link below) says the former wouldn't be safe. I am not entirely convinced that this is always true today.
The 28 likely is too narrow for that rim, is it?
Would the 32-622 do?
I posted a related question where I tried to abstract the problem to make it more generally useful: