What is the best time?

Mid-morning is the best time to travel.

Harrow

St. Thomas

Driving

Harrow to St. Thomas

Updated: 27 May 2026

The drive from Harrow to St. Thomas is approximately 160 kilometers. You will take Highway 401 East and exit at Highway 4 toward St. Thomas. This route is very direct and takes about 1.75 hours. St. Thomas is known for its railway history.

Total Distance: 160 km driving distance; 140 km straight-line air distance.

Fastest Way

Driving via the 401 is the fastest, taking 1.75 hours.

Cheapest Way

Driving is the most cost-effective way to reach St. Thomas.

Compare Harrow to St. Thomas Routes

Driving

Direct

Duration

1 hour 45 mins

Avg Price

$30-$45 in fuel

Operator

Personal Vehicle

Route

Highway 401 East to Highway 4.

Highway 4 can be busy; watch for traffic.

Travel Tips

Traffic
Avoid the 401 during peak hours.
Parking
Downtown St. Thomas has several public parking lots.
Events
Check local event calendars for festivals.
Navigation
Use GPS to navigate the city's streets.
Dining
Try the local restaurants in the downtown core.

Safety Tips

Pedestrians
Watch for pedestrians in the downtown area.
Weather
Be prepared for snow in the St. Thomas region.
Distraction
Keep your eyes on the road.
Emergency
Keep a first aid kit in your car.