Travel with mFT. Advice on lens/body choice.

the question nobody has asked is, how important is photography on this trip? From your camera/lens collection, I'd assume that you have plans beyond posting Facebook pics, but what are they? If it's casual snapshots to bore the family, it's one thing; if you plan on making giant arty prints, it's another.

I have experience traveling by motorcycle with cameras; for me, the photography aspect was pretty important, since I was getting paid for it; I'd bring a compact camera "spare" along with the "real" camera. Actually, i still bring two cameras even as a tourist, although my biking days are over; usually the second camera has been a ruggedized, weatherproof one like an Olympus Tough, but I'm more and more treating my EPL5 as a fancy point-and-shoot and taking it instead. It'll fit inside a shoe when I pack, or in just about any little cranny.

If I were in your boots, I'd take the EM10, which is only a bit bigger than the EPL6, a spare battery, a charger with the duckbill adapter so no cord, either the 14-42 kit or a Panny 12-32 (smaller yet), and one other lens; in my case, probably my 17 mm f 2.8, which seems to be universally reviled but which I really like.  For you, the 20 mm. Either one takes up hardly any space and will fit inside something else. Maybe, just maybe, if the photography aspect is really important, find room for the Pen, too; wearing the second lens, because it takes the same battery and isn't much bigger than a paperback book, and it's comforting to have a quality spare. Smaller, really. If there's room. I find the lack of external controls and viewfinder on the Pen to be a handicap, while the EM10 is a joy to use and with the grip left at home, really tiny. But the EM10 for sure.