| Boulogne-sur-Mer to Sremska Kamenica | 921.67 mi (1,483.29 km) |
| Boulogne-sur-Mer to Sremska Mitrovica | 921.27 mi (1,482.64 km) |
| Boulogne-sur-Mer to Sremski Karlovci | 926.33 mi (1,490.79 km) |
| Boulogne-sur-Mer to Stara Pazova | 943.83 mi (1,518.94 km) |
| Boulogne-sur-Mer to Subotica | 884.59 mi (1,423.61 km) |
| Boulogne-sur-Mer to Surcin | 955.34 mi (1,537.48 km) |
| Boulogne-sur-Mer to Surdulica | 1,115.26 mi (1,794.84 km) |
| Boulogne-sur-Mer to Svilajnac | 1,015.11 mi (1,633.67 km) |
| Boulogne-sur-Mer to Svrljig | 1,083.94 mi (1,744.43 km) |
| Boulogne-sur-Mer to Temerin | 916.63 mi (1,475.18 km) |
| Boulogne-sur-Mer to Titel | 941.51 mi (1,515.21 km) |
| Boulogne-sur-Mer to Topola | 992.09 mi (1,596.62 km) |
| Boulogne-sur-Mer to Trgoviste | 1,126.66 mi (1,813.18 km) |
| Boulogne-sur-Mer to Trstenik | 1,030.02 mi (1,657.65 km) |
| Boulogne-sur-Mer to Tutin | 1,028.83 mi (1,655.74 km) |
