Manassas to Niagara Falls, Ontario, Canada: Road Trip Guide & Distance

How far is Manassas from Niagara Falls, Ontario, Canada?

The distance from Manassas to Niagara Falls, Ontario, Canada is 311.3 miles (501 km) as the crow flies. Niagara Falls, Ontario, Canada is located NNW of Manassas. By car, the driving distance is approximately 373.6 miles, taking about 7h 31min. A direct flight would take roughly 1h 8min. Manassas is in Virginia, United States, while Niagara Falls, Ontario, Canada is in Ontario, Canada.

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 Manassas and Niagara Falls, Ontario, Canada. 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.