Find a midpoint

How are meeting points calculated?

ufree compares estimated rail travel times in the Seoul metropolitan area, rather than a geometric midpoint.

Find a midpoint

Estimates combine travel, walking transfers and average waiting time. Without measured data, distance and line speeds are used. The score is the longest time plus 25% of the average; lower ranks first.

Express services, live operations, last trains and time-specific frequencies are excluded. Check actual routes on Naver Map. Data reference dates differ from download dates.

Calculation example

Times of 10, 20 and 30 minutes to A score 35. Times of 20, 24 and 28 minutes to B score 34, so B ranks first. This is a fictional calculation example.

Data sources

Data downloaded: 2026-10-12 UTC