Durant also grabbed eight rebounds, while Kevin Martin had 24 points off the bench and Russell Westbrook 21.
With Oklahoma City's much-heralded offence not quite at their best, it was their defence who won this one as they held the Pacers to 37 points in the second half, improving the Thunder's record to a joint league-best 17-4.
The Los Angeles Clippers kept on rolling too, winning their sixth straight as they saw off the Toronto Raptors 102-83.
Blake Griffin led a balanced offence with 19 points, while Jamal Crawford had 16 off the bench as the Clippers' reserves led a dominant 25-10 fourth quarter.
Carmelo Anthony announced his return to the New York Knicks team with 34 points as they beat the Denver Nuggets 112-106.
Anthony led all scorers on his comeback following two games out with a hand injury and the Knicks maintained their perfect home record.
Paul Millsap's 24 points helped the Utah Jazz to their third straight win, 117-110 over the Los Angeles Lakers, despite 34 points from Kobe Bryant.
Brandon Jennings scored 26 points to help the Milwaukee Bucks to a 97-88 win over the Brooklyn Nets and the Orlando Magic beat the Phoenix Suns 98-90.