Earth. It is a big world, IMO. The United Kingdom alone, which is tiny on the map has at least 12 major cities - with London being just one of them. London would appear as a small *square* on this scale, and it is big city.
Earth relative by scale to the Sun.
*Mind you; must pay attention to size of Earth in comparison with the Sun to begin with.*
The Sun relative to VY Canis Majoris; the largest star known.
... Pretty astounding, eh?