| True area | On the old Mercator map | Distortion vs truth |
|---|
| Cuba | 109,285 km² | 126,771 km² | 1.2× |
| Greenland | 2,154,754 km² | 25,447,645 km² | 11.8× |
| Africa | 30,370,000 km² | — | 1× |
Old maps drew Cuba at about 126,771 km² km². The truth is 109,285 km² km² — a difference of 16%% that school atlases carried for centuries.