| Romilly-sur-Seine to Settimo Torinese | 301.73 mi (485.60 km) |
| Romilly-sur-Seine to Seveso | 322.66 mi (519.28 km) |
| Romilly-sur-Seine to Sezze | 664.74 mi (1,069.79 km) |
| Romilly-sur-Seine to Siano | 756.57 mi (1,217.58 km) |
| Romilly-sur-Seine to Siena | 511.95 mi (823.91 km) |
| Romilly-sur-Seine to Signa | 480.72 mi (773.64 km) |
| Romilly-sur-Seine to Silea | 448.69 mi (722.10 km) |
| Romilly-sur-Seine to Silvi Paese | 649.23 mi (1,044.83 km) |
| Romilly-sur-Seine to Sinalunga | 530.92 mi (854.43 km) |
| Romilly-sur-Seine to Siniscola | 622.02 mi (1,001.04 km) |
| Romilly-sur-Seine to Sinnai | 692.03 mi (1,113.71 km) |
| Romilly-sur-Seine to Siracusa | 982.06 mi (1,580.48 km) |
| Romilly-sur-Seine to Solaro | 321.95 mi (518.14 km) |
| Romilly-sur-Seine to Soliera | 429.54 mi (691.28 km) |
| Romilly-sur-Seine to Solofra | 760.41 mi (1,223.76 km) |
