Drive 5 hours or fly 20 minutes? Remote towns suffer from lack of year-round flights

Joe Castellana often has to drive several hours to complete the 120-mile trip from his home on the tip of Cape Cod in Provincetown, Mass., to Boston, especially during the summer. He can fly but commercial flights aren't offered during the off-season. Provincetown's ongoing effort to restore year-round air service is a microcosm of how difficult it can be to get commercial flights in remote places. …