| Boulogne-sur-Mer to Rovinj | 678.31 mi (1,091.64 km) |
| Boulogne-sur-Mer to Samobor | 730.87 mi (1,176.22 km) |
| Boulogne-sur-Mer to Sesvete | 745.88 mi (1,200.38 km) |
| Boulogne-sur-Mer to Sibenik | 823.53 mi (1,325.35 km) |
| Boulogne-sur-Mer to Sinj | 853.34 mi (1,373.32 km) |
| Boulogne-sur-Mer to Sisak | 769.35 mi (1,238.16 km) |
| Boulogne-sur-Mer to Slatina | 815.69 mi (1,312.72 km) |
| Boulogne-sur-Mer to Slavonski Brod | 848.23 mi (1,365.09 km) |
| Boulogne-sur-Mer to Solin | 855.58 mi (1,376.92 km) |
| Boulogne-sur-Mer to Split | 854.48 mi (1,375.16 km) |
| Boulogne-sur-Mer to Sveti Ivan Zelina | 746.44 mi (1,201.28 km) |
| Boulogne-sur-Mer to Trilj | 860.23 mi (1,384.41 km) |
| Boulogne-sur-Mer to Trogir | 847.04 mi (1,363.17 km) |
| Boulogne-sur-Mer to Umag | 658.77 mi (1,060.19 km) |
| Boulogne-sur-Mer to Valpovo | 846.64 mi (1,362.53 km) |
