how many miles is it between lake michigan and lake erie
O O B-SL_UNIT_DISTANCE O O O B-SL_SOURCE_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_SOURCE_IN_GET_LOCATION_SL_POINT_ON_MAP O B-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP I-SL_DESTINATION_IN_GET_LOCATION_SL_POINT_ON_MAP