Regional - Regional Airport Code More full forms : SXO SXP SXQ SXR SXS SXSW SXSX SXT SXV SXVY SXW SXX SXY SXZ SY What is the full form of SXM ? SXM can be expanded as St. Maarten, Netherlands AntillesWhat does SXM mean? Meaning of SXM is St. Maarten, Netherlands Antilles ...