Yes you can call country to country. I travelled to the US last week and used my phone plan (which is the same one you have listed) for both local calls and calls to Canada. All worked seamlessly.
Domestic SIM cards are relatively cheap in Europe. They can be purchased for as little as 10€, about $15 Canadian. Plans last 28 days and include data and some international calling minutes. You will need your passport to purchase the sim.