DriveWindow Canada route answer
How long is the drive from Toronto to Ottawa?
The drive is typically 4.5 hours and covers 450 km via Highway 401 and Highway 416. Allow extra time when lake-effect snow near eastern Ontario or freezing rain affects the corridor.
Route facts
Toronto → Ottawa
- Distance
- 450 km
- Typical drive
- 4.5 hours
- Planning baseline
- Late morning
- Main weather risks
- lake-effect snow near eastern Ontario · freezing rain · fog and low visibility along the corridor
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Time and distance
Why the trip can take longer than the baseline
- Distance
- 450 km
- Typical drive
- 4.5 hours
- Weather-sensitive corridor
- Highway 401 and Highway 416
4.5 hours is a typical estimate for the 450 km drive. It does not include fuel, charging, food, border, park-entry, or weather-related stops.
Build extra time into the plan when lake-effect snow near eastern Ontario reduces visibility or when freezing rain affects a comfortable driving speed.
What to check before leaving
Eastern Ontario can see changing precipitation types, lake-effect snow, and fog. Key weather factors: lake-effect snow near eastern Ontario, freezing rain, fog and low visibility along the corridor.
- lake-effect snow near eastern Ontario
- freezing rain
- fog and low visibility along the corridor
Route planning answers
Common questions about this drive
Sources and methodology
How this answer is produced
Drive time and distance are planning baselines, not live traffic estimates. Website guidance combines route-specific research, representative corridor points, and official source links; the app completes the forecast for your date and departure time.
US National Weather Service Environment and Climate Change Canada Route weather methodology Data-source policy