| Longitude | Population | City | % Correct |
|---|---|---|---|
| 2.2°E | 4,700,000 | Barcelona, Spain | 100%
|
| 0.1°E | 14,600,000 | London, UK | 100%
|
| 3.7°W | 6,350,000 | Madrid, Spain | 100%
|
| 2.4°E | 11,300,000 | Paris, France | 100%
|
| 3.1°E | 3,825,000 | Algiers, Algeria | 94%
|
| 4.9°E | 2,425,000 | Amsterdam, Netherlands | 88%
|
| 1.8°W | 3,100,000 | Birmingham, UK | 88%
|
| 4.4°E | 2,050,000 | Brussels, Belgium | 88%
|
| 4.3°W | 1,660,000 | Glasgow, UK | 88%
|
| 1.5°W | 2,150,000 | Leeds, UK | 88%
|
| 2.2°W | 3,025,000 | Manchester, UK | 88%
|
| 0.4°W | 1,760,000 | Valencia, Spain | 88%
|
| 0.2°W | 5,100,000 | Accra, Ghana | 81%
|
| 1.2°E | 1,970,000 | Lomé, Togo | 81%
|
| 1.4°W | 1,550,000 | Sheffield, UK | 81%
|
| 4.0°W | 5,350,000 | Abidjan, Cote d'Ivoire | 75%
|
| 3.1°E | 1,290,000 | Lille, France | 75%
|
| 3.0°W | 1,860,000 | Liverpool, UK | 75%
|
| 4.4°W | 1,020,000 | Málaga, Spain | 75%
|
| 1.6°W | 1,470,000 | Newcastle, UK | 75%
|
| 2.1°E | 1,220,000 | Niamey, Niger | 75%
|
| 3.4°E | 18,200,000 | Lagos, Nigeria | 69%
|
| 0.6°W | 1,420,000 | Oran, Algeria | 69%
|
| 1.5°W | 2,425,000 | Ouagadougou, Burkina Faso | 69%
|
| 4.5°E | 3,200,000 | Rotterdam, Netherlands | 69%
|
| 4.4°E | 1,030,000 | Antwerp, Belgium | 63%
|
| 0.6°W | 1,050,000 | Bordeaux, France | 63%
|
| 5.0°W | 1,240,000 | Fès, Morocco | 63%
|
| 4.8°E | 1,980,000 | Lyon, France | 63%
|
| 1.4°W | 1,160,000 | Southampton, UK | 63%
|
| 1.4°E | 1,030,000 | Toulouse, France | 63%
|
| 2,4°E | 1,710,000 | Cotonou, Benin | 50%
|
| 1.6°W | 2,950,000 | Kumasi, Ghana | 50%
|
| 1.2°W | 1,370,000 | Nottingham, UK | 50%
|
| 3.9°E | 3,350,000 | Ibadan, Nigeria | 38%
|
| 4.5°E | 1,010,000 | Ilorin, Nigeria | 6%
|