By all the usual methods of transport: fly, by train, drive.
811 km
Toronto, ON (YTO) to Venice (VCE) Shortest Flight Duration * 9 hours 50 mins * Via Frankfurt International Apt, Frankfurt (FRA) * this includes transfer time at Frankfurt International Apt, Frankfurt (FRA)
You drive south to Folkestone where there is a tunnel underneath the English Channel. You drive onto a train, then sit as the train goes under the tunnel in 35 minutes. The train comes out in Calais. You can then drive on to Paris.
Sydney (SYD) to Venice (VCE) Shortest Flight Duration * 25 hours 35 mins * Via Frankfurt International Apt, Frankfurt (FRA)
6 hours
not sure
No
Instead of roads, Venice has canals. A car would sink.
7 hours
Driving to Frankfurt, Germany from Barcelona Spain1,331 km - about 11 hours 51 mins
12 hours