| Romilly-sur-Seine to Sestao | 483.43 mi (778.01 km) |
| Romilly-sur-Seine to Sevilla | 919.75 mi (1,480.19 km) |
| Romilly-sur-Seine to Sevilla La Nueva | 681.07 mi (1,096.07 km) |
| Romilly-sur-Seine to Silla | 664.86 mi (1,070.00 km) |
| Romilly-sur-Seine to Silleda | 702.75 mi (1,130.96 km) |
| Romilly-sur-Seine to Sitges | 511.81 mi (823.68 km) |
| Romilly-sur-Seine to Socuellamos | 714.49 mi (1,149.87 km) |
| Romilly-sur-Seine to Soller | 606.63 mi (976.27 km) |
| Romilly-sur-Seine to Solsona | 463.16 mi (745.39 km) |
| Romilly-sur-Seine to Son Servera | 614.85 mi (989.51 km) |
| Romilly-sur-Seine to Sonseca | 717.54 mi (1,154.77 km) |
| Romilly-sur-Seine to Sopelana | 478.83 mi (770.61 km) |
| Romilly-sur-Seine to Soria | 555.06 mi (893.28 km) |
| Romilly-sur-Seine to Suances | 512.12 mi (824.18 km) |
| Romilly-sur-Seine to Sueca | 673.94 mi (1,084.59 km) |
