Is Sarnia near the US?

Yes, it is directly across the river from Port Huron, Michigan.

What is the best time to visit?

Summer for the beach and waterfront.

It is a mid-sized city with a strong industrial and recreational base.

Prescott

Sarnia

Train Driving

Prescott to Sarnia

Updated: 26 May 2026

The trip from Prescott to Sarnia is a direct drive along Highway 401 and Highway 402. You will pass through major Ontario cities like Kingston and London. Alternatively, VIA Rail offers service to Sarnia, though it may require a transfer in Toronto. Sarnia is located at the mouth of the St. Clair River, bordering the United States.

Total Distance: Driving distance 650 km, air distance 550 km.

Fastest Way

Driving directly from Prescott to Sarnia.

Cheapest Way

Driving your own vehicle.

Compare Prescott to Sarnia Routes

	Train Connecting	Driving Direct
Duration	8 hours	6 hours 30 mins
Avg Price	$110 - $220	$90 - $140
Operator	VIA Rail	Personal Vehicle
Route	Prescott to Sarnia	Hwy 401 to Hwy 402
Tip	Check the VIA Rail schedule as direct trains are limited.	Highway 402 is generally less congested than the 401.

Travel Tips

Highway 402
This highway is usually smooth sailing compared to the 401.
Train Transfers
If taking the train, ensure you have enough time for your connection in Toronto.
Border Crossing
If you plan to cross into the US, have your passport ready.
Weather
Sarnia can be windy due to its location on the lake.
Local Dining
Try the local restaurants near the waterfront.