Niagara Falls, Ontario, Canada to Saint Charles, Maryland: Road Trip Guide & Distance

How far is Niagara Falls, Ontario, Canada from Saint Charles, Maryland?

The distance from Niagara Falls, Ontario, Canada to Saint Charles, Maryland is 329.6 miles (530.5 km) as the crow flies. Saint Charles, Maryland is located SSE of Niagara Falls, Ontario, Canada. By car, the driving distance is approximately 395.6 miles, taking about 7h 57min. A direct flight would take roughly 1h 10min. Niagara Falls, Ontario, Canada is in Ontario, Canada, while Saint Charles, Maryland is in Maryland, 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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. 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 Niagara Falls, Ontario, Canada and Saint Charles, Maryland. 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.