The average bus between Duarte and Diamond Bar takes 1h 19m and the fastest bus takes 1h 12m. There is a bus service every few hours from Duarte 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 Duarte and Diamond Bar. The earliest departure is at 5:56 AM in the morning, and the last departure from Duarte is at 6:56 PM which arrives into Diamond Bar at 8:15 PM. All services require a transfer, and take on average 1h 19m. The schedules shown below are for the next available departures.

1h 14m • 1 change

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1h 14m • 1 change

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1h 17m • 1 change

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1h 14m • 1 change

1h 16m • 1 change

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1h 16m • 1 change
Want to know about travelling from Duarte 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 Duarte to Diamond Bar. However, there are services departing from Duarte station and arriving at Diamond Bar station via West Covina Pkwy and California Ave E. The journey, including transfers, takes approximately 1h 19m.
Duarte to Diamond Bar bus services, operated by Foothill Transit, depart from Huntington Dr and Buena Vista St E station.
Duarte to Diamond Bar bus services, operated by Foothill Transit, arrive at Cal Poly Pomona Admin station.
The distance between Duarte and Diamond Bar is 19.7 km. The road distance is 29 km.
You can take a bus from Huntington Dr and Buena Vista St E to Cal Poly Pomona Admin via West Covina Pkwy and California Ave E in around 1h 28m.