Sun Mercury Venus EarthYou Are Here Moon Mars Jupiter Io Europa Ganymede Callisto Saturn Titan Uranus Neptune Pluto (we still love you) That was about 10 million km (6,213,710 mi) just now. Pretty empty out here. Here comes our first planet… As it turns out, things are pretty far apart.

Source: http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html