Merrimack to Saint-Hyacinthe: Road Trip Guide & Distance

How far is Merrimack from Saint-Hyacinthe?

The distance from Merrimack to Saint-Hyacinthe is 204.4 miles (328.9 km) as the crow flies. Saint-Hyacinthe is located NNW of Merrimack. By car, the driving distance is approximately 255.4 miles, taking about 5h 8min. A direct flight would take roughly 55min. Merrimack is in New Hampshire, United States, while Saint-Hyacinthe is in Quebec, Canada.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements.

Coordinates come from public place data for Merrimack and Saint-Hyacinthe. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.