| Hardinxveld-Giessendam to Solofra | 894.99 mi (1,440.35 km) |
| Hardinxveld-Giessendam to Somma Lombardo | 458.76 mi (738.31 km) |
| Hardinxveld-Giessendam to Somma Vesuviana | 882.39 mi (1,420.07 km) |
| Hardinxveld-Giessendam to Sommacampagna | 521.24 mi (838.85 km) |
| Hardinxveld-Giessendam to Sona | 518.84 mi (834.99 km) |
| Hardinxveld-Giessendam to Sondrio | 451.82 mi (727.14 km) |
| Hardinxveld-Giessendam to Sora | 810.95 mi (1,305.09 km) |
| Hardinxveld-Giessendam to Sorbolo | 545.94 mi (878.61 km) |
| Hardinxveld-Giessendam to Soresina | 506.03 mi (814.38 km) |
| Hardinxveld-Giessendam to Sorisole | 473.72 mi (762.39 km) |
| Hardinxveld-Giessendam to Sorrento | 895.86 mi (1,441.74 km) |
| Hardinxveld-Giessendam to Sorso | 781.71 mi (1,258.05 km) |
| Hardinxveld-Giessendam to Sortino | 1,127.66 mi (1,814.79 km) |
| Hardinxveld-Giessendam to Soverato Marina | 1,068.60 mi (1,719.74 km) |
| Hardinxveld-Giessendam to Sovicille | 660.23 mi (1,062.53 km) |
