The bus between Ottawa and St. Marys takes 11h 15m. There is at least one bus per day from Ottawa to St. Marys. 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 once daily between Ottawa and St. Marys. The earliest departure is at 6:00 AM in the morning, and the last departure from Ottawa is at 6:00 AM which arrives into St. Marys at 5:15 PM. All services require a transfer, and take on average 11h 15m. The schedules shown below are for the next available departures.
Want to know about travelling from Ottawa to St. Marys? 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 Ottawa to St. Marys. However, there are services departing from Ottawa station and arriving at St. Marys station via Toronto. The journey, including transfers, takes approximately 11h 15m.
Ottawa to St. Marys bus services, operated by Flixbus USA, depart from Ottawa station.
Ottawa to St. Marys bus services, operated by Flixbus USA, arrive at St Marys station.
Book your Ottawa to St. Marys bus tickets online with Flixbus USA.
The distance between Ottawa and St. Marys is 494.5 km. The road distance is 616 km.
You can take a bus from Ottawa to St Marys via Toronto in around 10h 35m.
