K-class Fast Express trains run many long-distance routes across China. They travel at cruising speeds of around 120 km/h (75 mph) and link major cities with regional centers. These are some of the most popular K-class routes, with typical distances and trip times listed so you can plan departures and arrivals. Beijing – Harbin: about 1,249 km (776 miles), travel time around 12–15 hours. Beijing – Xi’an: about 1,216 km (756 miles), travel time around 12–14 hours. Shanghai – Kunming: about 2,395 km (1,488 miles), travel time around 28–34 hours. Check timetables for exact departure and arrival times, as schedules vary by season. Book K-class tickets through Rail Monsters to reserve seats in advance. Get your China tickets online with Rail Monsters for these most popular routes.