| Boulogne-sur-Mer to San Vito al Tagliamento | 614.25 mi (988.54 km) |
| Boulogne-sur-Mer to San Vito dei Normanni | 1,038.58 mi (1,671.44 km) |
| Boulogne-sur-Mer to Sannicandro di Bari | 989.18 mi (1,591.92 km) |
| Boulogne-sur-Mer to Sannicandro Garganico | 903.59 mi (1,454.19 km) |
| Boulogne-sur-Mer to Sansepolcro | 697.92 mi (1,123.19 km) |
| Boulogne-sur-Mer to Sant'Agata de' Goti | 906.82 mi (1,459.39 km) |
| Boulogne-sur-Mer to Sant'Agata di Militello | 1,081.94 mi (1,741.22 km) |
| Boulogne-sur-Mer to Sant'Agnello | 928.82 mi (1,494.80 km) |
| Boulogne-sur-Mer to Sant'Ambrogio di Valpolicella | 556.27 mi (895.24 km) |
| Boulogne-sur-Mer to Sant'Anastasia | 915.80 mi (1,473.84 km) |
| Boulogne-sur-Mer to Sant'Angelo Lodigiano | 522.63 mi (841.09 km) |
| Boulogne-sur-Mer to Sant'Antimo | 906.41 mi (1,458.72 km) |
| Boulogne-sur-Mer to Sant'Antioco | 871.49 mi (1,402.53 km) |
| Boulogne-sur-Mer to Sant'Antonio Abate | 927.89 mi (1,493.30 km) |
| Boulogne-sur-Mer to Sant'Arcangelo di Romagna | 683.29 mi (1,099.66 km) |
