| Boulogne-sur-Mer to Saint-Brieuc | 248.55 mi (400.01 km) |
| Boulogne-sur-Mer to Saint-Chamas | 521.07 mi (838.59 km) |
| Boulogne-sur-Mer to Saint-Chamond | 386.49 mi (622.00 km) |
| Boulogne-sur-Mer to Saint-Claude | 357.13 mi (574.74 km) |
| Boulogne-sur-Mer to Saint-Cloud | 133.10 mi (214.21 km) |
| Boulogne-sur-Mer to Saint-Cyprien | 564.07 mi (907.79 km) |
| Boulogne-sur-Mer to Saint-Cyr-l'Ecole | 134.57 mi (216.57 km) |
| Boulogne-sur-Mer to Saint-Cyr-sur-Loire | 233.51 mi (375.81 km) |
| Boulogne-sur-Mer to Saint-Cyr-sur-Mer | 555.55 mi (894.07 km) |
| Boulogne-sur-Mer to Saint-Denis | 128.04 mi (206.06 km) |
| Boulogne-sur-Mer to Saint-Die-des-Vosges | 292.73 mi (471.11 km) |
| Boulogne-sur-Mer to Saint-Dizier | 207.43 mi (333.82 km) |
| Boulogne-sur-Mer to Saint-Doulchard | 252.93 mi (407.05 km) |
| Boulogne-sur-Mer to Saint-Egreve | 423.56 mi (681.65 km) |
| Boulogne-sur-Mer to Saint-Esteve | 556.67 mi (895.88 km) |
