L'Ascension-de-Notre-Seigneur
L'Ascension-de-Notre-Seigneur
Sarnia
Sarnia
Driving

L'Ascension-de-Notre-Seigneur to Sarnia

Updated: 30 May 2026

The journey from L'Ascension-de-Notre-Seigneur to Sarnia covers about 1000 kilometers. You will drive south to Quebec City, then west on Highway 40 and 401, continuing to the end of the 401 in Windsor/Sarnia area. This route takes you across the entire length of Southern Ontario. Expect a drive time of approximately 11 hours.

Total Distance: Driving distance is 1000 km; straight-line air distance is 850 km.
Fastest Way
Driving is the fastest, taking about 11 hours.
Cheapest Way
Driving is the most cost-effective method.
Compare L'Ascension-de-Notre-Seigneur to Sarnia Routes
Driving
Direct
Duration
11 hours
Avg Price
$140-$200 in fuel
Operator
Personal Vehicle
Route
Route 169, Highway 175, Highway 40, Highway 401 West, Highway 402 West.

Highway 402 is the final leg to Sarnia.

Travel Tips
  • Highway 401
    Expect heavy traffic near the GTA; plan accordingly.
  • Parking
    Downtown Sarnia has several municipal parking lots.
  • Public Transit
    Sarnia Transit provides reliable service within the city.
  • Weather
    Sarnia can be quite cold in winter; dress in layers.
  • Rest Stops
    Use the ONroute centers along the 401.
Safety Tips
  • Speeding
    Follow speed limits strictly on the 401.
  • Winter Driving
    Ensure your vehicle is winter-ready.
  • Vehicle Check
    Check your car before the long drive.
  • Emergency Kit
    Carry an emergency kit in your trunk.
People Also Ask
  • How far is Sarnia?
    It is about 1000 kilometers.
  • Is there a train to Sarnia?
    Yes, VIA Rail serves Sarnia.
  • What is the best route?
    Take Highway 401 west to Highway 402.
  • Are there tolls?
    No, the 401 is toll-free.
  • Is Sarnia a nice city?
    Yes, it is known for its riverfront and beaches.
Quick Info
  • From L'Ascension-de-Notre-Seigneur, Quebec, Canada
  • To Sarnia, Ontario, Canada
  • Modes
Best Time to Travel

Summer for the St. Clair River or autumn for the beautiful scenery.

Things to Do in Sarnia
1
Canatara Park
Enjoy this large park with a beach on Lake Huron.
2
St. Clair River
Walk along the riverfront and watch the ships pass by.
3
Blue Water Bridge
View this iconic bridge connecting Canada and the US.
4
Downtown Sarnia
Explore the historic downtown with its many shops and cafes.
Tags
L'Ascension to Sarnia driving to Sarnia Quebec to Ontario Highway 401 route traveling to Sarnia best way to Sarnia road trip guide Ontario travel Sarnia tourism driving in Canada