size it up.

A little perspective

Trust your eye.

Use the country on the left as your reference. Resize the country on the right until its east–west width or north–south height looks correct, then lock in your estimate.

  1. Compare

    North is up. Compare width or height, not land area.

  2. Find the right size

    Drag the blue handle, scroll while hovering it, tap − / +, or use the arrow keys. Match the dimension in the question.

  3. Lock it in

    Reveal the real size and earn up to 100 points. Five rounds add up to a maximum of 500.

The first answer in each round counts. A new challenge arrives every day at 00:00 UTC. Object sizes use the specific examples shown in the answer.

Read the full rules and scoring guide

How far north to south is Tanzania compared with Moldova?

North is up. Compare width or height, not land area.

01 / 05
Moldova, reference object for north–south height comparison
Tanzania, estimated north–south height relative to the Moldova
MoldovaReference
TanzaniaYour estimate
Fine tune

A world of proportions

How well do you know the world’s scale?

Use the country on the left as your reference. Resize the country on the right until its east–west width or north–south height looks correct, then lock in your estimate.

Five daily rounds draw ten different places from 193 UN member states and eight regions. A pair never repeats across days, even if its sides or measured direction change. Score up to 100 points per round, 500 total. Play at your own pace; the daily challenge changes at 00:00 UTC.

How to playPast challengesView the Geography leaderboard

What are we measuring?

Simplified outlines from Natural Earth face north. Answers give approximate east–west or north–south spans in kilometres, not land areas or the distance between the farthest points. Some remote islands are omitted; each answer explains the included territory.

Explore the Natural Earth map data

Four modes, one profile

Classic, Geography, Weight and Detective have separate daily progress and leaderboards. Your name and profile are shared across all four challenges.