That would depend on where you started from.
Niagara falls is in NY.
The closest airport to Niagara Falls that would fly to Chicago would be in Buffalo, NY. Buffalo International is only about 20-30 minutes drive from Niagara Falls.
no birds can fly over
Niagara falls is along the Niagara RiverNiagara Falls is on the Niagara River.
You can get a plane that will take you from Washington DC to Niagara Falls Ontario. It might not be a direct flight, you might have to change planes, but, there are flights that leave from Arlington, Virginia to Niagara Falls.
The Niagara Gorge is approximately 11 kilometers (7 miles) long, stretching from Niagara Falls to the Niagara River Whirlpool.
approx. 62miles
18km
TORONTO
18 km long
really long for those who care
10 or 20 days