Not very far at all. And you'll be rescued even before that. [It's the least he can do, to give her that hope. It doesn't remotely make up for his family's crimes against her, but it's something.]

Now, I really don't want to rush you, but... well, my grandad could come back at any time, and I doubt you want to see him. Is there somewhere I can help you get to? Most people in our situation are staying with family, but if you need money for a room, I can help with that as well.