The size comparison library / length
Space Shuttle vs Boeing 747-8 Size
Using the game’s measurements, the Space Shuttle orbiter has approximately 0.4875× the length of a Boeing 747-8.
The bars compare the named dimensions, not area, volume or weight.
The relationship
0.4875× the reference size.
The Space Shuttle orbiter is just under half as long as a Boeing 747-8.
The Shuttle is often shown beside a launch tower, while airliners are shown on a runway. A common end-to-end scale replaces those different surroundings with a direct comparison.
Try this comparison yourself →What the measurements include
The orbiter is 37.2 m long. This is not the whole Shuttle launch stack. The aircraft is specifically a Boeing 747-8 at 76.3 m, rather than another 747 variant.
Boeing 747-8
76.3 m · length
The 747-8 variant; other 747 models have different lengths.
Boeing: 747-8 ↗Why photos can fool your sense of scale
Distance from the camera, lens choice and cropping change how large an object appears. Check the named measurement before comparing images. The bars above put both measurements on the same numerical scale, so a longer bar corresponds to the same multiple of the stated dimension.