"do people take that 600cc R6 on long trips?"
I don't know about the R6 but I have a Honda CBR929 that is the most comfortable long ride bike I've ever owned. See, on a sport bike only a small percentage of your weight is on your butt, the rest is on your arms and legs. Put a tank bag on it to rest your upper body on and you can ride FOREVER.
On my 2000 CBR 600 F4, I can only stand being on it for a couple of hours before my knees cramp up and I MUST stretch my legs. Of course by then its ready for a fill up