Traveling by train is the most convenient and cost-effective way to travel between these cities. The train ride from Civitavecchia to Pisa takes about 2 hours and costs €25-€35. The route from Pisa to Florence takes less than 1 hour and costs €8-€12, while the route from Florence to Rome takes about 1.5-2 hours and costs €20-€35.
If you have more time, you can explore other historical landmarks in Rome such as the Pantheon, Roman Forum, and the Spanish Steps. If you have less time, consider skipping a visit to the Aquafelix Water Park or the Keith Haring Mural in Pisa. Additionally, purchasing museum tickets online in advance can help you save time and avoid waiting in long queues.