1 light month is pretty big. So is the universe. In fact, 1 light month gets you across 0.00000000061% of it. If your empire on Earth was the same size it'd be

1 light month is pretty big. So is the universe. In fact, 1 light month gets you across 0.00000000061% of it. If your empire on Earth was the same size it'd be 300 square meters. About the size of a big house with a nice garden.