The Heritage Line Jayavarman Cruise offers 03 main upstream routes: a 4-day itinerary from Saigon to Phnom Penh, a 5-day itinerary from Phnom Penh to Siem Reap, and an 8-day itinerary from Saigon to Siem Reap. The downstream route follows a similar itinerary but in reverse, with adjusted starting and ending points.