The average bus between Mission Viejo and Diamond Bar takes 2h 39m and the fastest bus takes 2h 14m. There is a bus service every few hours from Mission Viejo to Diamond Bar. 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 hourly between Mission Viejo and Diamond Bar. The earliest departure is at 4:30 AM at night, and the last departure from Mission Viejo is at 8:30 PM which arrives into Diamond Bar at 10:45 PM. All services require a transfer at Santa Ana-Santiago and take an average of 2h 39m. The schedules shown below are for the next available departures.


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


2h 14m • 2 changes


3h 4m • 2 changes


2h 34m • 2 changes


2h 34m • 2 changes


2h 34m • 2 changes
Want to know about travelling from Mission Viejo to Diamond Bar? 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 Mission Viejo to Diamond Bar. However, there are services departing from Mission Viejo station and arriving at Diamond Bar station via Santa Ana-Santiago. The journey, including transfers, takes approximately 2h 39m.
Mission Viejo to Diamond Bar bus services, operated by OCTA, depart from Laguna Hills Trans Ctr Dock 5 station.
Mission Viejo to Diamond Bar bus services, operated by OCTA, arrive at Diamond Bar Blvd and Sunset Crossing Rd station.
The distance between Mission Viejo and Diamond Bar is 49.3 km. The road distance is 62 km.
You can take a bus from Laguna Hills Trans Ctr Dock 5 to Diamond Bar Blvd and Sunset Crossing Rd via Santa Ana-Santiago, The Depot At Santa Ana Dock 3, Ring-Brea Mall, and Brea Mall in around 3h 4m.