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How to get fromThornhill to Sarniaby train, bus (Flixbus), car, or plane

Find Transport to Sarnia

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There are 6 ways to get from Thornhill to Sarnia by train, bus (Flixbus), car, or plane

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Train via London

    best
    1. Take the train from Toronto Union Station to Londontrain train VIA Rail
    2. Take the train from London to Sarniatrain train VIA Rail
    5h 52m
    $64–463

  2. Bus (Flixbus)

    cheapest
    1. Take the bus from Toronto Pearson Airport to Sarniabus bus FlixBus 2702 / ...
    5h 55m
    $46–73

  3. Drive  291.5 km

    1. Drive from Thornhill to Sarniacar car 291.5 km
    3h 4m
    $53–76

  4. Fly, train

    1. Fly from Toronto Pearson International Airport (YYZ) to London International Airport (YXU)plane plane YYZ - YXU
    2. Take the train from London to Sarniatrain train
    5h 31m
    $678–1,834

  5. Bus via Kitchener

    1. Take the bus from Bramalea GO Bus to Kitchener GO Busbus bus 30 / ...
    2. Take the bus from Kitchener to Sarniabus bus FlixBus 2702
    6h 7m
    $46–67

  6. Train

    1. Take the train from Toronto Union Station to Sarniatrain train VIA Rail
    6h 51m
    $71–278

Thornhill to Sarnia by subway and train

Calendar7Weekly Services
Duration5h 52mAverage Duration
Ticket$64Cheapest Price
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Comparing Your Travel Options

Map of how to get from Thornhill to Sarnia.ExpandLaunch map view
  • Distance: 295.2 km
  • Duration: 5h 52m

What companies run services between Thornhill, ON, Canada and Sarnia, ON, Canada?

You can take a subway from Finch Station - Southbound Platform to Sarnia via Union Station - Northbound Platform Towards Vaughan Metropolitan Centre, Toronto Union Station, and London in around 5h 52m. Alternatively, Flixbus USA operates a bus from Toronto Pearson Airport to Sarnia twice daily. Tickets cost $40–65 and the journey takes 4h 20m.

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Want to know more about travelling around the world?

Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including The beginner’s guide to the 2018 World Nomad Games, Why you should take the train in the US, and French strikes 2018: What are my alternative transport options? - to help you get the most out of your next trip.

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