| Boulogne-sur-Mer to Chamonix-Mont-Blanc | 410.20 mi (660.15 km) |
| Boulogne-sur-Mer to Champigny-sur-Marne | 137.90 mi (221.93 km) |
| Boulogne-sur-Mer to Champs-Sur-Marne | 136.74 mi (220.06 km) |
| Boulogne-sur-Mer to Chanteloup-les-Vignes | 122.20 mi (196.65 km) |
| Boulogne-sur-Mer to Chantepie | 233.01 mi (375.00 km) |
| Boulogne-sur-Mer to Chantilly | 112.82 mi (181.57 km) |
| Boulogne-sur-Mer to Chaponost | 375.21 mi (603.84 km) |
| Boulogne-sur-Mer to Charenton-le-Pont | 135.92 mi (218.74 km) |
| Boulogne-sur-Mer to Charleville-Mezieres | 152.05 mi (244.71 km) |
| Boulogne-sur-Mer to Chartres | 156.98 mi (252.63 km) |
| Boulogne-sur-Mer to Chassieu | 377.10 mi (606.89 km) |
| Boulogne-sur-Mer to Chateau-d'Olonne | 329.38 mi (530.09 km) |
| Boulogne-sur-Mer to Chateau-Gontier | 225.80 mi (363.40 km) |
| Boulogne-sur-Mer to Chateau-Thierry | 140.75 mi (226.51 km) |
| Boulogne-sur-Mer to Chateaubriant | 247.85 mi (398.88 km) |
