Niagara Falls is roughly 500–520 km from Montreal in a straight line and about 600–620 km by road, which usually means around 7–8 hours of driving depending on route and traffic.

Quick Scoop

  • Straight-line distance (as the crow flies): about 500–510 km / 310–320 miles.
  • Typical driving distance: about 600–620 km / 375–385 miles.
  • Usual driving time: around 7.5–8 hours with normal stops and traffic.
  • There are multiple driving routes (often via Highway 401 across Ontario), so exact distance and time can vary a bit.

If you tell me your starting area in Montreal and whether you’re driving, taking a bus, or train, I can help you estimate a more precise travel time.