Harrow
Harrow
Petrolia
Petrolia
Driving

Harrow to Petrolia

Updated: 27 May 2026

The trip from Harrow to Petrolia is a relatively short journey of about 130 kilometers. You will head north toward Highway 401, then take the exit toward Petrolia. The drive typically takes 1 hour and 45 minutes. This route takes you through the heart of Lambton County, known for its rich oil history. It is a convenient drive for those looking to explore the heritage of the region.

Total Distance: 130 km driving distance; 115 km straight-line air distance.
Fastest Way
Driving via Highway 401 is the fastest route, taking 1 hour and 45 minutes.
Cheapest Way
Driving your own vehicle is the most economical and only practical way to travel.
Compare Harrow to Petrolia Routes
Driving
Direct
Duration
1 hour 45 mins
Avg Price
$25-$35 in fuel
Operator
Personal Vehicle
Route
Highway 401 to Highway 21

The exit for Petrolia is well-marked; stay alert for the turnoff.

Travel Tips
  • Parking
    Downtown parking is free and easily accessible.
  • Dining
    Try the local cafes on Petrolia Line for a quick lunch.
  • Events
    Check the theatre schedule before you go to book tickets in advance.
  • Navigation
    Use a GPS to navigate the smaller county roads near the town.
  • Fuel
    Fill up in a larger center like Chatham to ensure better pricing.
Safety Tips
  • Speed
    Observe speed limits in small towns, which are strictly enforced.
  • Visibility
    Use your lights during rain or overcast conditions.
  • Road Conditions
    Check for construction on Highway 401 before departing.
  • Emergency
    Keep a charged phone for navigation and emergencies.
People Also Ask
  • How long is the drive?
    It takes about 1 hour and 45 minutes.
  • Is there a train?
    No, there is no train service to Petrolia.
  • What is the best route?
    Highway 401 to Highway 21 is the standard route.
  • Are there hotels?
    There are limited accommodations; consider staying in nearby Sarnia.
  • Is it a scenic drive?
    It is a standard rural drive through agricultural land.
Quick Info
  • From Harrow, Ontario, Canada
  • To Petrolia, Ontario, Canada
  • Modes
Best Time to Travel

Autumn for the beautiful fall foliage in the surrounding rural areas.

Things to Do in Petrolia
1
Petrolia Discovery
Visit this outdoor museum to see original oil derricks and learn about the town's history.
2
Victoria Playhouse Petrolia
Catch a professional theatre performance in this beautifully restored historic venue.
3
Petrolia Farmers Market
Shop for fresh local produce and handmade goods on Saturday mornings.
4
Bridgeview Park
Enjoy a walk along the creek in this well-maintained community park.
Tags
Harrow to Petrolia driving to Petrolia Highway 401 Petrolia travel Harrow to Petrolia distance Ontario road trip Petrolia directions Harrow commute