Follow I-75 S To Henry County. Take Exit 216 From I-75 S 30 Min (32.0 Mi) Merge Onto I-75 S/I-85 S 5.8 Mi Keep Left To Continue On I-75 S, Follow Signs For International Airport/Macon 3.5 Mi Continue Straight To Stay On I-75 S 22.4 Mi Take Exit 216 For Ga-155 Toward Mcdonough