If you have a direct flight, it would most likely take 12-13 hours. If there is a connection, the time can be somewhat longer.
15hrs
800
12 hours
12 hrs
15 hours
30 hrs
5
about.. thirteen minutes?
16 hrs
3 hours
It will take about 4 hours and 35 minutes.
The drive from Toronto to Ottawa is 452 km - about 4 hours 42 mins.