| Marcq-en-Baroeul to Somma Lombardo | 430.32 mi (692.53 km) |
| Marcq-en-Baroeul to Somma Vesuviana | 868.03 mi (1,396.96 km) |
| Marcq-en-Baroeul to Sommacampagna | 510.30 mi (821.24 km) |
| Marcq-en-Baroeul to Sona | 508.04 mi (817.61 km) |
| Marcq-en-Baroeul to Sondrio | 439.18 mi (706.79 km) |
| Marcq-en-Baroeul to Sora | 795.83 mi (1,280.76 km) |
| Marcq-en-Baroeul to Sorbolo | 527.27 mi (848.55 km) |
| Marcq-en-Baroeul to Soresina | 485.55 mi (781.42 km) |
| Marcq-en-Baroeul to Sorisole | 455.09 mi (732.40 km) |
| Marcq-en-Baroeul to Sorrento | 880.07 mi (1,416.34 km) |
| Marcq-en-Baroeul to Sorso | 731.04 mi (1,176.49 km) |
| Marcq-en-Baroeul to Sortino | 1,103.04 mi (1,775.17 km) |
| Marcq-en-Baroeul to Soverato Marina | 1,056.23 mi (1,699.83 km) |
| Marcq-en-Baroeul to Sovicille | 637.67 mi (1,026.24 km) |
| Marcq-en-Baroeul to Spello | 696.42 mi (1,120.77 km) |
