 Langley is situated directly north of and along the United States border, with Washington State to the south.The northernmost point in Langley is less than 25 km from the border.Langley contains one of the five lower mainland border crossings in the community of Aldergrove, however British Columbia Highway 15, which only 3.5 km to the west of Langley in Surrey, leads to the larger Pacific Highway Crossing.