Tergnier is located in Amiens city, France at the 49.6561, 3.3011 coordinates. Distance from Tergnier to other cities. are listed below, click on the city name to find distance between. Distance from Tergnier to Saint-Quentin 21 km, to Beauvais 91 km, to Compiegne 43 km. The green marker indicates the location of Tergnier.