| Romans-sur-Isere to Somma Lombardo | 182.47 mi (293.66 km) |
| Romans-sur-Isere to Somma Vesuviana | 554.78 mi (892.84 km) |
| Romans-sur-Isere to Sommacampagna | 283.17 mi (455.72 km) |
| Romans-sur-Isere to Sona | 282.49 mi (454.62 km) |
| Romans-sur-Isere to Sondrio | 245.44 mi (394.99 km) |
| Romans-sur-Isere to Sora | 487.41 mi (784.40 km) |
| Romans-sur-Isere to Sorbolo | 264.23 mi (425.24 km) |
| Romans-sur-Isere to Soresina | 234.64 mi (377.61 km) |
| Romans-sur-Isere to Sorisole | 228.44 mi (367.63 km) |
| Romans-sur-Isere to Sorrento | 561.82 mi (904.17 km) |
| Romans-sur-Isere to Sorso | 343.38 mi (552.62 km) |
| Romans-sur-Isere to Sortino | 751.50 mi (1,209.42 km) |
| Romans-sur-Isere to Soverato Marina | 735.92 mi (1,184.36 km) |
| Romans-sur-Isere to Sovicille | 329.60 mi (530.44 km) |
| Romans-sur-Isere to Spello | 404.25 mi (650.57 km) |
