1. European Backpacking Trip
Background
A tourist is organizing a backpacking trip across Europe and needs to plan train travel.
Problem
Uncertain about the distance between Paris and Berlin to schedule travel time effectively.
How to use
Select Paris as the 'From City' and Berlin as the 'To City', choose kilometers, and calculate.
Outcome
The tool shows a distance of approximately 878 km, helping to estimate train journey duration.