The best Italian experiences are often 1-2 hours from a major city. Pompeii from Naples (40 min). Siena from Florence (1h15). Orvieto from Rome (1h). Lake Como from Milan (1h). Burano from Venice (45 min). Each trip fits into a single day, returns you to your base city for dinner, and costs €10-25 in transport.
1. Tivoli (Villa Adriana + Villa d'Este) — bus 45 min, €2.20. 2 UNESCO sites, 1 day. 2. Orvieto — train 1h, €8-12. Duomo + underground + Pozzo San Patrizio. 3. Ostia Antica — train 25 min, €1.50. Complete Roman city, 1/10 the visitors of Pompeii. 4. Castelli Romani (Frascati/Ariccia) — train 30 min. Wine + porchetta + lake views. 5. Bomarzo + Ninfa — car only, combine both, 1 day.
6. Siena — bus 1h15, €8. Piazza del Campo + Duomo. 7. San Gimignano — bus 1h30 (via Poggibonsi). 14 medieval towers. 8. Pisa — train 1h, €9. Tower + Baptistery acoustics + cecina lunch. 9. Lucca — train 1h20, €8. Walls bike ride + Torre Guinigi oak trees. 10. Cortona — train 1h20. Under the Tuscan Sun town + Fra Angelico.
11. Pompeii — Circumvesuviana 40 min, €2.80. THE day trip. 12. Herculaneum — Circumvesuviana 20 min. Better preserved than Pompeii. 13. Capri — hydrofoil 50 min, €20. Blue Grotto + Faraglioni. 14. Caserta — train 40 min, €4. Italian Versailles. 15. Amalfi Coast — train to Sorrento (1h) + bus to Positano/Amalfi. Full day.
From Milan: 16. Lake Como — train 1h to Varenna (€7). Boat to Bellagio. 17. Certosa di Pavia — train 30 min, €4. Free monks' tour. 18. Langhe/Alba — car or train 2h. Truffle/wine country. 19. Verona — train 1h20. Arena + Juliet + wine. 20. Bergamo Alta — train 50 min, €6. Medieval walled upper city + funicular.
From Venice: 21. Burano + Murano — vaporetto 45 min. Colors + glass. 22. Padova — train 30 min, €5. Giotto + Sant'Antonio. 23. Verona — train 1h10. Arena + Romeo & Juliet. 24. Ravenna — train 3h (or car 2.5h). Byzantine gold mosaics. 25. Prosecco Hills — car 1h. Vineyards + tastings + UNESCO landscape.