Well… i guess some modmaker will have to make a mod to use a measuringtape between the two controllers, so we can measure stuff from door to door, or yoke end to yoke end, to get that more precise measurement…
then there was
You absolute out of the box-thinker! Well done!
I too feel your pain… i like flying in VR every once in a while, but i too feel like the airplane feels quite small. Having only one hr in a real Cessna 172, i remember getting in and thinking, this crate is tiny, but just not AS tiny as in VR. Then again, after a while i felt rather comfortable in both, even though i have a fear of flying. (that one lesson was to get over it, but it still resides)
Anyways… modmakers? Make us a VR measuring tape! 
Thanks in advance!
Woof ~ Woof & Salute!
Steiny