Serve spaghetti alla carbonara with a soft white wine of good depth and persistence; if you want to stay in central Italy, a Frascati Riserva pairs nicely. If you change region, you can opt for a classic Soave or a Pinot Blanc.
The lively effervescence of a wine like Franciacorta or the delicate and fruity aromas of a Chiaretto del Garda offer other great pairing options.
If you prefer red wine, you can go for the fruity aromas of a Bardolino.