| Cours d'eau | Plus grande ville | % Correct |
|---|---|---|
| Seine | Paris | 100%
|
| Rhône | Lyon | 99%
|
| Rhin | Strasbourg | 98%
|
| Moselle | Metz | 95%
|
| Loire | Nantes | 95%
|
| Isère | Grenoble | 92%
|
| Vilaine | Rennes | 92%
|
| Garonne | Toulouse | 90%
|
| Somme | Amiens | 86%
|
| Vienne | Limoges | 66%
|
| Orne | Caen | 64%
|
| Maroni | Saint-Laurent-du-Maroni | 60%
|
| Indre | Châteauroux | 58%
|
| Adour | Bayonne | 53%
|
| Allier | Vichy | 47%
|
| Durance | Avignon | 46%
|
| Meuse | Charleville-Mézières | 41%
|
| Oise | Cergy-Pontoise | 40%
|
| Deûle | Lille | 38%
|
| Têt | Perpignan | 27%
|