The Sejong to Osong route provides a direct connection between these two important cities within South Korea. The journey typically takes around 30 minutes via KTX high-speed trains, which operate regularly to accommodate travelers. Sejong, known for its government buildings and various institutions, is a planned city that reflects modern development. In contrast, Osong serves as a key transportation hub and is home to the Korea Bio Park. This page details all the necessary information for your Sejong to Osong travel plans, including train schedules, ticket options, and frequently asked questions regarding this route.