FarSerene research desk
Global trip cost research
FarSerene's route-cost and travel-friction research for comparing trips around the world before booking. Every page shows what the numbers include and where a traveler still needs to verify current availability.
Sample routes
3
Planning measures
8
Last reviewed
2026
Iberia
Lisbon, Porto, Madrid and Barcelona
A west-to-east route for travelers who want four distinct cities without returning to the arrival airport.
Read the decision guideItaly
Rome, Florence and Sorrento
A three-base first Italy route that leaves room for one unplanned day in each region.
Read the decision guideFrance
Paris, Lyon and Annecy
A rail-friendly city-to-lake route with one major city, one food stop, and a slower final base.
Read the decision guideThis is a deliberately small editorial set. We add a route when it has a distinct planning question and evidence to support it, not because a template can produce another URL.