Travel between locations will be done via train or car rental, depending on preference. These modes of transportation allow for flexibility and efficient travel between destinations. Approximate costs are €30-40 for train rides and €100-150 for car rentals. The travel time between Lake Como and Monaco is approximately 4 hours by train, and between Monaco and Portofino is approximately 2 hours by car. The travel time between Portofino and Lake Como is approximately 3 hours by train.
If you have more time, consider adding a day trip to St. Moritz, the luxury resort town in Switzerland. If you have less time, shorten your stay in Monaco to 2 days. Don't forget to pack comfortable walking shoes and light layers for the fluctuating weather. Remember to book tickets in advance for popular attractions to avoid lines and potential closures.