Could there be Bank chest closer to the Fishing guilds stove so you would not be forced to run such a long distance?
At the moment I feel like it's a lot faster to cook things in edgeville.

Edgeville and legends guild best place to cook. Fish in fishing guild , bank ur fish and then go edge to cook it.

But there always could be or add a new stove to the area where bankers are perhaps. Would in a way make sense to also cook the fish where you fish 'em.

Or perhaps a Cooking Guild :3

There's a cooking guild north / west of varrock . But it's not that good for cooking. But i still would use edge since there's the most players online and it makes cooking less boring .Exp per hour wise is legends guild better , since u got a bed rly close . Bed = 0% fatigue insta , sleeping bag = fatigue slowly goes down .

I believe Edgeville will stay the best fishing spot, since its a bit of a better social experience.