| Romilly-sur-Seine to Somma Lombardo | 304.87 mi (490.65 km) |
| Romilly-sur-Seine to Somma Vesuviana | 744.04 mi (1,197.42 km) |
| Romilly-sur-Seine to Sommacampagna | 398.74 mi (641.70 km) |
| Romilly-sur-Seine to Sona | 396.75 mi (638.51 km) |
| Romilly-sur-Seine to Sondrio | 330.01 mi (531.10 km) |
| Romilly-sur-Seine to Sora | 672.18 mi (1,081.76 km) |
| Romilly-sur-Seine to Sorbolo | 406.93 mi (654.90 km) |
| Romilly-sur-Seine to Soresina | 365.24 mi (587.79 km) |
| Romilly-sur-Seine to Sorisole | 338.30 mi (544.44 km) |
| Romilly-sur-Seine to Sorrento | 754.70 mi (1,214.56 km) |
| Romilly-sur-Seine to Sorso | 583.79 mi (939.51 km) |
| Romilly-sur-Seine to Sortino | 968.84 mi (1,559.21 km) |
| Romilly-sur-Seine to Soverato Marina | 932.00 mi (1,499.91 km) |
| Romilly-sur-Seine to Sovicille | 510.40 mi (821.41 km) |
| Romilly-sur-Seine to Spello | 575.35 mi (925.93 km) |
