The average train between Markham and Ajax takes 2h 4m and the fastest train takes 1h 49m. There is a train service every few hours from Markham to Ajax. 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 2 hours between Markham and Ajax. The earliest departure is at 5:32 AM in the morning, and the last departure from Markham is at 10:00 PM which arrives into Ajax at 12:38 AM. All services require a transfer, and take on average 2h 4m. The schedules shown below are for the next available departures.

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1h 55m • 1 changeWant to know about travelling from Markham to Ajax? 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 Markham to Ajax. However, there are services departing from Centennial GO station and arriving at Ajax GO station via Union Station GO. The journey, including transfers, takes approximately 2h 4m.
Markham to Ajax train services, operated by GO Transit, depart from Centennial GO station.
Markham to Ajax train services, operated by GO Transit, arrive at Ajax GO station.
The distance between Markham and Ajax is 18.8 km. The road distance is 26 km.
You can take a train from Centennial GO to Ajax GO via Union Station GO in around 1h 52m.