| Cours d'eau | Plus grande ville | % Correct |
|---|---|---|
| Seine | Paris | 100%
|
| Rhône | Lyon | 99%
|
| Rhin | Strasbourg | 98%
|
| Loire | Nantes | 96%
|
| Moselle | Metz | 94%
|
| Isère | Grenoble | 92%
|
| Vilaine | Rennes | 92%
|
| Garonne | Toulouse | 90%
|
| Somme | Amiens | 86%
|
| Vienne | Limoges | 67%
|
| Orne | Caen | 63%
|
| Maroni | Saint-Laurent-du-Maroni | 61%
|
| Indre | Châteauroux | 59%
|
| Adour | Bayonne | 52%
|
| Allier | Vichy | 48%
|
| Durance | Avignon | 47%
|
| Oise | Cergy-Pontoise | 40%
|
| Meuse | Charleville-Mézières | 40%
|
| Deûle | Lille | 39%
|
| Têt | Perpignan | 28%
|