Nam Som is located in Udon Thani city, Thailand at the 17.7704, 102.1895 coordinates. Distance from Nam Som to other cities. are listed below, click on the city name to find distance between. Distance from Nam Som to Ban Phan Don 108 km, to Kut Chap 55 km, to Ban Nong Wua So 123 km. The green marker indicates the location of Nam Som.