From Paris St-Michel RER to Antony Ratp, train to Paris Orly airport, fly to Rome airport, then train to Rome. 4hrs 59min 139€. From Paris Chatelet/Les Halles RER to Paris CDG airport, fly to Rome airport, then train to Rome. 5hrs 06min 128€. 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. 5hrs 55min 96€. From Paris Gare de Lyon train to Torino Porta Susa then train to Roma Termini. 10hrs 39min 204€. From Hôtel de Ville line 1 Metro to Paris Gare de Lyon, train to Milano Centrale, then train to Roma Termini. 14hrs 33min 189€. From Paris bus to Tiburtina- Verano then line 71 bus to Milano. 21hrs 22min 107€. From Arts et Métiers line 3 Metro to Paris Gallieni, bus to Florence Santa Maria Novella station, train to Tiburtina, then Subway to Colosseo. 21hrs 54min 125€. From Paris drive to Rome. 14hrs 43min 275€.