| Boulogne-sur-Mer to Saarijarvi | 1,207.28 mi (1,942.92 km) |
| Boulogne-sur-Mer to Salo | 1,064.94 mi (1,713.85 km) |
| Boulogne-sur-Mer to Sastamala | 1,092.51 mi (1,758.22 km) |
| Boulogne-sur-Mer to Savonlinna | 1,282.56 mi (2,064.08 km) |
| Boulogne-sur-Mer to Seinajoki | 1,147.64 mi (1,846.95 km) |
| Boulogne-sur-Mer to Siilinjarvi | 1,285.31 mi (2,068.50 km) |
| Boulogne-sur-Mer to Sipoo | 1,129.76 mi (1,818.18 km) |
| Boulogne-sur-Mer to Sippola | 1,193.55 mi (1,920.84 km) |
| Boulogne-sur-Mer to Sodankyla | 1,433.51 mi (2,307.01 km) |
| Boulogne-sur-Mer to Somero | 1,084.90 mi (1,745.98 km) |
| Boulogne-sur-Mer to Sotkamo | 1,341.26 mi (2,158.55 km) |
| Boulogne-sur-Mer to Tampere | 1,122.11 mi (1,805.86 km) |
| Boulogne-sur-Mer to Tornio | 1,311.91 mi (2,111.31 km) |
| Boulogne-sur-Mer to Turku | 1,041.80 mi (1,676.61 km) |
| Boulogne-sur-Mer to Tuusula | 1,124.65 mi (1,809.95 km) |
