The market town (Markt) Gangkofen lies in the valley of the river Bina along the federal highway B 388 about 17 km (11 mi) west of Eggenfelden, 26 km (16 mi) south of Dingolfing, 40 km (25 mi) southeast of Landshut, 25 km (16 mi) north of Mühldorf and 32 km (20 mi) west of the county (district) seat, Pfarrkirchen.
The larger centres of population in the Lower Bavarian Upland are Landau an der Isar, Pfarrkirchen, Eggenfelden, Bad Griesbach im Rottal, Ortenburg, Triftern, Rottenburg an der Laaber and Pfeffenhausen.