Bus
Driving
Greater Sudbury to Sarnia
Updated: 31 May 2026
The journey from Greater Sudbury to Sarnia covers approximately 600 kilometers. Driving is the most direct method, taking you south through the heart of Ontario via Highway 69 and the 400-series highways. Alternatively, you can take a bus from Sudbury to Toronto and transfer to a regional bus service to Sarnia. This route takes you through the scenic Muskoka region and around the Greater Toronto Area to the shores of Lake Huron.
Total Distance: 600 km driving distance; 450 km straight-line air distance.
Fastest Way
Driving, taking approximately 6 hours 30 minutes.
Cheapest Way
Bus, if booked well in advance.
Compare Greater Sudbury to Sarnia Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 8 hours | 6 hours 30 mins |
| Avg Price | $80 - $150 CAD | $90 - $140 CAD (fuel) |
| Operator | Ontario Northland | Personal Vehicle |
| Route | Sudbury to Toronto to Sarnia | Hwy 69 to Hwy 400 to Hwy 401 to Hwy 402 |
| Tip | Book tickets in advance for better pricing. | Avoid traveling through Toronto during rush hour. |
Travel Tips
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TrafficThe 401 and 402 highways can be busy; check traffic apps before leaving.
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ParkingSarnia has various parking options downtown; check for municipal lots.
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DiningThe city has a vibrant culinary scene with many local restaurants.
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EventsCheck the local events calendar for festivals and concerts.
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Time ZoneSarnia is in the Eastern Time Zone, same as Sudbury.
Safety Tips
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Winter DrivingBe prepared for snow and ice on the highways in winter.
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Road ConditionsCheck Ontario 511 for highway updates.
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Urban SafetySarnia is generally safe, but use standard precautions at night.
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Emergency PrepKeep a basic first aid kit in your vehicle.
People Also Ask
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Is there a direct bus?No, you must transfer in Toronto.
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How long is the drive?It takes approximately 6 hours 30 minutes of driving time.
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What is the best route?Take Highway 69 to the 400, then the 401 and 402.
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Is it safe to drive alone?Yes, the route is well-traveled and safe.
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Are there trains?Yes, you can take a train from Toronto to Sarnia.
Quick Info
- From Greater Sudbury, Ontario, Canada
- To Sarnia, Ontario, Canada
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Modes
Best Time to Travel
May to October for pleasant weather and visiting the waterfront.
Things to Do in Sarnia
1
Canatara Park
Enjoy the beautiful beach and parkland on the shores of Lake Huron.
2
Blue Water Bridge
See the iconic bridge connecting Canada and the United States.
3
St. Clair River
Take a walk along the riverfront and enjoy the views.
4
Science North
Before leaving Sudbury, visit this world-class science center located on the shores of Lake Ramsey.
Tags
Sudbury to Sarnia driving
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Sarnia travel
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