Wow, Rene.
That’s almost all of Venice.
It seems to me that if you wanted to, you could cover all those canals in one day. Of course, you might need to wear all black and do some fast talking in one or two places.
Maybe some of the more high-trafficked areas could be paddled in off-hours.

It sure would be cool to say that you’d rowed every canal of La Serenissima.