Italy visa freei think this is what the airport agents use, it has been useful for me so far, united airline also has a system like this, i suggest making sure with embassy before you travel. https://www.iatatravelcentre.com
i know the following from my personal experience,
1- Turkey - you need to apply for visa from embassy and it can take months.
2- Georgia - visa free if you have PR card.
3- kosovo visa free for 15 days
4- UK you need visa even for a short transit
5- USA you need visa
6- Germany is visa free
7- netherlands is also visa free
8-finland requires visa
9- Italy - visa required
10- japan needs visa
if anyone knows more please share!
see below email from embassy
Holders of a Blue Canadian Travel Document (Convention of 28 July 1951) do not need a visa for transit or short stay in Italy for tourism purpose (max 90 days in a 6 month period).