My products are heavy

I am a newbie and doing fba. Most of my products are heavy. As I am providing next day delivery with dpd and I am getting so many orders from Scottish Highlands and Highlands. Can someone please help me to sort my shipping settings out . So I can put charges for offshore and Scottish Highlands . As I have tried so many times and there is an error coming up(there are some areas which have different charge settings

Answer: You can’t. You have to charg the same price throughout the UK unfortunately