| True area | On the old Mercator map | Distortion vs truth |
|---|
| Turkey | 779,797 km² | 1,294,463 km² | 1.7× |
| Greenland | 2,154,754 km² | 25,447,645 km² | 11.8× |
| Africa | 30,370,000 km² | — | 1× |
Old maps drew Turkey at about 1,294,463 km² km². The truth is 779,797 km² km² — a difference of 66%% that school atlases carried for centuries.