There is a smaller scale version of this on the CU campus:
https://www.colorado.edu/fiske/colorado-scale-model-solar-sy...
It is 1:10 Billion, so about a half-mile from the Sun top Pluto.
https://www.colorado.edu/fiske/colorado-scale-model-solar-sy...
It is 1:10 Billion, so about a half-mile from the Sun top Pluto.