Here is an exhaustive list of Air Canada destinations from YYZ (Toronto)
It does not include air Canada Jazz. For interest, it came from Wikipedia. Compare it with the list of Air Canada destinations out of Vancouver. Oh, and don't forget to throw in a few other air lines like Alitalia, El-Al, Olympic .... plus major European, American, and foreign carriers .......
_____________________From YYZ:
Air Canada: Antigua, Aruba, Barbados, Beijing-Capital, Bermuda, Bogotá, Boston, Buenos Aires-Ezeiza, Calgary, Cancún, Caracas, Cayo Coco/Cayo Guillermo, Chicago-O'Hare, Cozumel, Dallas/Fort Worth, Deer Lake, Denver, Dublin [seasonal], Edmonton, Fort Lauderdale, Fort McMurray, Fort Myers, Frankfurt, Geneva [begins 1 June][16] Grand Cayman, Grenada, Halifax, Havana, Holguin, Hong Kong, Ixtapa-Zihuatanejo, Kelowna, Kingston, Las Vegas, Liberia (Costa Rica) [seasonal], Lima, London-Heathrow, Los Angeles, Madrid [seasonal], Mexico City, Miami, Montego Bay, Montréal, Munich, Nassau, New York-LaGuardia, Newark, Orlando, Ottawa, Paris-Charles de Gaulle, Philadelphia, Phoenix, Providenciales, Puerto Plata, Puerto Vallarta, Punta Cana, Regina, Rome-Fiumicino [seasonal], San Francisco, Samana [seasonal], San José de Costa Rica, San José del Cabo, San Juan [seasonal], Santa Clara (Cuba), Santiago de Chile, São Paulo-Guarulhos, Sarasota/Bradenton [seasonal], Saskatoon, Seattle/Tacoma, Seoul-Incheon [seasonal], Shanghai-Pudong, St. John's (NL), St. Maarten [seasonal], St. Lucia, Sydney (AUS), Tampa, Tel Aviv, Tokyo-Narita, Vancouver, Varadero, Victoria, Washington-Reagan, West Palm Beach, Winnipeg, Zürich ____________________

(the joke's on us)