The average bus between Costa Mesa and San Marcos takes 9h 23m and the fastest bus takes 7h 38m. The bus runs, on average, 4 times per week from Costa Mesa 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.
Buses run 4 times a week between Costa Mesa and San Marcos. The earliest departure is at 12:20 AM at night, and the last departure from Costa Mesa is at 11:15 PM which arrives into San Marcos at 10:28 AM. All services require a transfer at Santa Ana and take an average of 9h 23m. The schedules shown below are for the next available departures.
Want to know about travelling from Costa Mesa 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 bus from Costa Mesa to San Marcos. However, there are services departing from Costa Mesa station and arriving at San Marcos station via Oceanside. The journey, including transfers, takes approximately 9h 23m.
Costa Mesa to San Marcos bus services, operated by OCTA, depart from Santa Ana station.
Costa Mesa to San Marcos bus services, operated by OCTA, arrive at Vista Transit Center Stall 5 station.
The distance between Costa Mesa and San Marcos is 89.1 km. The road distance is 131 km.
You can take a bus from Oc Fair-Yellow Gate to Mission Rd & Pico Av via Santa Ana, Oceanside, Oceanside Transit Center Stall 10, and Vista Transit Center Stall 7 in around 4h 19m.
