Have been to Lonigo twice.
First trip flew to Treviso (Ryan Air) near Venice and rented a car. It took about 2 hours to Lonigo I think.
Second time flew with Ryan Air to Verona (this airport is about 30 minutes from Verona at least and they have two airports, so be careful ) and rented a car. Lonigo is about another 30/45 minutes from Verona (the other side from the airport).
There are plenty of Hotels in Verona and Lonigo is a reasonable sized place. But with out a car I am not sure if it is possible to get there.
I can give you a Hotel not far from Lonigo if you like ?
Have a good time the track is big and fast.