The average train between Rancho Cucamonga and San Marcos takes 5h 27m and the fastest train takes 4h 32m. The train service runs several times per day from Rancho Cucamonga to San Marcos. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 3 hours between Rancho Cucamonga and San Marcos. The earliest departure is at 4:11 AM at night, and the last departure from Rancho Cucamonga is at 8:04 PM which arrives into San Marcos at 4:43 AM. All services require a transfer at L.A. Union Station and take an average of 5h 27m. The schedules shown below are for the next available departures.


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Want to know about travelling from Rancho Cucamonga to San Marcos? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Rancho Cucamonga to San Marcos. However, there are services departing from Rancho Cucamonga station and arriving at San Marcos station via L.A. Union Station station. The journey, including transfers, takes approximately 5h 27m.
Rancho Cucamonga to San Marcos train services, operated by Metrolink Trains, depart from Rancho Cucamonga station.
Rancho Cucamonga to San Marcos train services, operated by Metrolink Trains, arrive at Oceanside station.
The distance between Rancho Cucamonga and San Marcos is 114.1 km. The road distance is 232 km.
You can take a train from Rancho Cucamonga to San Marcos Civic Center Station via L.A. Union Station, Los Angeles, Oceanside, and Oceanside Transit Center in around 5h 18m.