From Paris St-Michel RER to Antony Ratp, train to Paris Orly airport, fly to Rome airport, then train to Rome. 5hrs 08min 136 €. From Paris Chatelet/Les Halles RER to Paris CDG airport, fly to Rome airport, then train to Rome. 5hrs 29min 125 €. From Hôtel de Ville line 1 Metro to Porte Maillot - Pershing Parking, bus to Beauvais airport, fly to Rome Ciampino airport, then train to Rome. 6hrs 02min 94 €. From Hôtel de Ville line 1 Metro to Paris Gare de Lyon, train to Torino Porta Susa, then train to Roma Termini. 10hrs 44min 207 €. From Paris Gare de Lyon train to Garibaldi, Metro to Milano Centrale, then train to Roma Termini. 10hrs 41min 207 €. From Parmentier line 3 Metro to Paris Gallieni, bus to Florence, bus to Stazione Tiburtina, then bus to Cavour- Ricci. 23hrs 52min 105 €. From Paris drive to Rome. 14hrs 43min 268 €.