Tarm is a small railway town with a population of 4,126 in west Denmark, 36 kilometres southwest of Herning. The road distance between Hern…Tarm is a small railway town with a population of 4,126 in west Denmark, 36 kilometres southwest of Herning. The road distance between Herning and Tarm is exactly 47.8 kilometres. It is located in the Ringkøbing-Skjern Municipality.