The average bus between Downtown Markham and Ottawa takes 7h 17m and the fastest bus takes 5h 45m. The bus service runs several times per day from Downtown Markham to Ottawa. 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 3 times a day between Downtown Markham and Ottawa. The earliest departure is at 5:15 AM in the morning, and the last departure from Downtown Markham is at 4:40 PM which arrives into Ottawa at 11:55 PM. All services require a transfer at Union Station Bus Terminal and take an average of 7h 17m. The schedules shown below are for the next available departures.

6h • 1 change
6h • 1 change
6h 45m • 1 change
7h 15m • 1 change
5h 45m • 1 change
6h • 1 change
6h • 1 change
6h 45m • 1 changeWant to know about travelling from Downtown Markham to Ottawa? 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 Downtown Markham to Ottawa. However, there are services departing from Downtown Markham station and arriving at Ottawa station via Ottawa. The journey, including transfers, takes approximately 7h 17m.
Downtown Markham to Ottawa bus services, operated by GO Transit, depart from Toronto - Union Station Bus Terminal.
Downtown Markham to Ottawa bus services, operated by GO Transit, arrive at Ottawa station.
The distance between Downtown Markham and Ottawa is 335 km. The road distance is 424 km.
Orléans Express operates a bus from Toronto - Union Station Bus Terminal to Ottawa 4 times a day. Tickets cost $65–95 and the journey takes 4h 55m.