Are you an experienced rider? if so, plenty of good/great machines out there. Consider Yamaha's FJR, BMW's 1200RT, Honda' ST1300, Kawasaki's Concours, BMW's 1200GT; Triumph also make good sport-touring machines. Look for a lighter bike as weight is often detrimental in handling at low speeds. The rest is up to you; comfort is a must on long distance touring as well as ergonomics. All of these have their + / -; go to motorcycle.com and they will inform you best with their excellent critiques.