Montreal to Williamsport: Road Trip Guide & Distance

How far is Montreal from Williamsport?

The distance from Montreal to Williamsport is 341.1 miles (548.9 km) as the crow flies. Williamsport is located SSW of Montreal. By car, the driving distance is approximately 409.3 miles, taking about 8h 14min. A direct flight would take roughly 1h 11min. Montreal is in Quebec, Canada, while Williamsport is in Pennsylvania, United States.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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 Montreal and Williamsport. 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.