Here is a beautiful chart that visualizes the lines of code in various pieces of Software.  Notable entries:

  • Space Shuttle: 400k LoC
  • formalmind Studio (with RMF): 600k LoC
  • Boing 787: 14M LoC
  • Windows XP and Windows 7: Both 40M LoC
  • Modern Car: 100M LoC
  • Mouse (the animal): 120M LoC