The train service between Santarem and Entroncamento is primarily served by the Intercity (IC) and Regional (R) trains, offering different travel experiences. The Intercity trains, which provide faster connections, traverse the route at speeds ranging from 120 km/h to 160 km/h (75 mph to 99 mph). Typically, the journey takes about 30 to 40 minutes, with minimal stops along the way. These trains are designed for intercity travel, providing comfortable seating and onboard amenities such as Wi-Fi access. On the other hand, the Regional trains operate at a slower pace, with speeds around 80 km/h to 120 km/h (50 mph to 75 mph), making more frequent stops. Consequently, this service may take approximately 50 minutes to an hour to reach Entroncamento. While they are less swift, Regional trains are a good option for those looking to explore smaller stations in between or benefit from lower ticket fares. Overall, travelers seeking a quicker trip with minimal interruptions may prefer the Intercity while those valuing regional access could opt for the Regional service.