The average train between Oakville and Downtown Markham takes 1h 39m and the fastest train takes 1h 22m. There is a train service every few hours from Oakville to Downtown Markham. 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 hourly between Oakville and Downtown Markham. The earliest departure is at 7:06 AM in the morning, and the last departure from Oakville is at 11:00 PM which arrives into Downtown Markham at 12:39 AM. All services require a transfer, and take on average 1h 39m. The schedules shown below are for the next available departures.

1h 39m • 1 change

1h 22m • 1 change

1h 34m • 1 change

1h 39m • 1 change

1h 35m • 1 change

1h 40m • 1 change

1h 40m • 1 change

1h 40m • 1 change

1h 35m • 1 change

1h 40m • 1 change

1h 40m • 1 change

1h 40m • 1 change
Want to know about travelling from Oakville to Downtown Markham? 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 Oakville to Downtown Markham. However, there are services departing from Oakville station and arriving at Downtown Markham station via Union Station GO station. The journey, including transfers, takes approximately 1h 39m.
Oakville to Downtown Markham train services, operated by GO Transit, depart from Oakville GO station.
Oakville to Downtown Markham train services, operated by GO Transit, arrive at Unionville GO station.
The distance between Oakville and Downtown Markham is 53.2 km. The road distance is 70 km.
You can take a train from Oakville GO to Unionville GO via Union Station GO in around 2h 5m.