From Paris St-Michel RER to Antony Ratp, train to Paris Orly airport, fly to Rome airport, then train to Rome. 5hrs 13min 136 €. From Paris Chatelet/Les Halles RER to Paris CDG airport, fly to Rome airport, then train to Rome. 5hrs 29min 124 €. 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 93 €. From Hôtel de Ville line 1 Metro to Paris Gare de Lyon, train to Torino Porta Susa, then train to Roma Termini. 10hrs 44min 205 €. From Paris Gare de Lyon train to Garibaldi, Metro to Milano Centrale, then train to Roma Termini. 10hrs 41min 205 €. From Parmentier line 3 Metro to Paris Gallieni, bus to Florence, bus to Stazione Tiburtina, then bus to Cavour- Ricci. 23hrs 57min 105 €. From Paris drive to Rome. 14hrs 43min 266 €.