| Boulogne-sur-Mer to Raca | 1,005.51 mi (1,618.22 km) |
| Boulogne-sur-Mer to Raska | 1,027.76 mi (1,654.02 km) |
| Boulogne-sur-Mer to Razanj | 1,050.77 mi (1,691.05 km) |
| Boulogne-sur-Mer to Rekovac | 1,025.81 mi (1,650.88 km) |
| Boulogne-sur-Mer to Ruma | 929.34 mi (1,495.63 km) |
| Boulogne-sur-Mer to Sabac | 932.56 mi (1,500.80 km) |
| Boulogne-sur-Mer to Secanj | 955.76 mi (1,538.14 km) |
| Boulogne-sur-Mer to Senta | 908.05 mi (1,461.36 km) |
| Boulogne-sur-Mer to Sid | 900.20 mi (1,448.73 km) |
| Boulogne-sur-Mer to Sjenica | 1,004.06 mi (1,615.87 km) |
| Boulogne-sur-Mer to Smederevo | 987.22 mi (1,588.78 km) |
| Boulogne-sur-Mer to Smederevska Palanka | 999.50 mi (1,608.54 km) |
| Boulogne-sur-Mer to Sokobanja | 1,064.47 mi (1,713.09 km) |
| Boulogne-sur-Mer to Sombor | 871.89 mi (1,403.17 km) |
| Boulogne-sur-Mer to Srbobran | 908.41 mi (1,461.95 km) |
