The 76ers won their third in a row, pulling away down the stretch after being only one point in front midway through the fourth period. Philadelphia improved its road record to 4-2, hitting 51 percent from the field.
Turner made 10-of-15 shots in finishing with 25 points and 10 rebounds. Richardson hit half of Philadelphia's eight 3-pointers while scoring 22 points.
Jrue Holiday contributed 15 assists for the 76ers to go with 13 points.
Charlotte, loser of three straight, was led by 19 points off the bench from Ben Gordon.