| Romulus to Seysses | 4,088.69 mi (6,580.12 km) |
| Romulus to Sin-le-Noble | 3,929.33 mi (6,323.65 km) |
| Romulus to Six-Fours-les-Plages | 4,295.45 mi (6,912.86 km) |
| Romulus to Soissons | 3,969.81 mi (6,388.80 km) |
| Romulus to Soisy-sous-Montmorency | 3,942.20 mi (6,344.35 km) |
| Romulus to Sollies-Pont | 4,301.41 mi (6,922.45 km) |
| Romulus to Somain | 3,936.02 mi (6,334.41 km) |
| Romulus to Sorgues | 4,221.65 mi (6,794.09 km) |
| Romulus to Sotteville-les-Rouen | 3,880.31 mi (6,244.75 km) |
| Romulus to Soyaux | 3,967.17 mi (6,384.54 km) |
| Romulus to Stains | 3,946.77 mi (6,351.72 km) |
| Romulus to Stiring-Wendel | 4,117.07 mi (6,625.78 km) |
| Romulus to Strasbourg | 4,170.88 mi (6,712.38 km) |
| Romulus to Sucy-en-Brie | 3,958.30 mi (6,370.26 km) |
| Romulus to Suresnes | 3,942.88 mi (6,345.46 km) |
