Farthingstown is a townland in County Westmeath, Ireland.[1][2] The townland is located on the border with County Offaly and is in the civil parish of Castlelost. The M6 Motorway runs through the middle, with a junction linking up with the R400 regional road. The Monagh River flows through the south of the area. The town of Rochfortbridge is to the north.[3][4]