No its on us!
Yes
You have to be out the room by 11am, and checkout is noon.
From 3pm
Florence is the closest airport, about an hour from the venue. Pisa is about an hour and a half. Bologna is about 2 hours and Rome is around 2 and a half. It will also depend on which airport in the UK you want to fly from, as not all airports go to all destinations.
Yes, there is enough car parking for all guests.
Your presence at our wedding is all we ask.