This study identified the factors and influences on students’ acquisition of written communication skills during distance education of Grade 11 students in distance learning at Roberto E. Sato Memorial National High School, Academic Year 2021 – 2022. It adopts the qualitative single case study research design; and employs the thematic analytical framework of Braun and Clarke (2006) to analyze the data gathered from the research tool used which is an in-depth interview with thirty-seven participants who reflected on their performance in written communication skills. The study participants were interviewed to gather the needed data about the factors that affected them in the acquisition of English written communication skills while in distance learning as well as the influences of those factors. Findings revealed variables that affects the students’ acquisition of written communication skills during the distance education context, namely; language background, learning support, experience, environment and technology. The following factors mentioned brought different influences to the students’ acquisition of written communication skills, both the positive and negative, namely: learning independence, internet dependence and peer dependence. Thus, it is concluded that these problems and challenges can be resolved by several remedial measures at individual as well as institutional level.