Kosher Food

Here are three suggestions:

Kosher food Delivery from Italy:

https://Kosherfood.it

Caterer based out of Belgium that ships to Sardinia:

Kosher4u.eu

If you are going through Rome check out:
chabadroma.org/tourist

For kosher grocery that can ship from Rome check out:

jewisheurope.org/city.asp?City=Rome&Type=2