Need help: Moving out of state

I currently go to 4 locations to feed cats. I usually feed them every other day. Due to some personal issues, I may be moving across the country to be closer to my family towards the end of the year. My issue is that I truly do not know how I can just leave these animals. What do I do?

For reference, one of the cats is at my old workplace which is heavily monitored by security guards so I have to be very careful. The next cat I feed is in a park in a private neighborhood. Both of these cats seem to hangout underground in storm drains.

Another couple cats are outside a store and someone else leaves wet food but since I live somewhere where the weather reaches over 100 degrees, it is often wasted.

The last few cats I feed stay in a parking lot and are often in the engine of a parked mattress truck. I met someone who also has been feeding them who told me she has spoken with the mattress store and they are aware of the cats and are okay with feeding them. One of the cats has been starting to get comfortable with me and let’s me get somewhat close.