---
tag: 0NPPGHQNXQ
kind: concept
name: Euclidean distance
aliases: [distance-between-two-points]
msc: [51N20]
sources:
  - url: https://en.wikipedia.org/wiki/Euclidean_distance
    locator: lead section
same_as:
  wikidata: Q847073
  wikipedia: Euclidean distance
---

## Summary

The Euclidean distance between two points of a Euclidean space is the length of the line segment that joins them. In Cartesian coordinates, the Pythagorean theorem gives a formula for it.