| Riga to Seysses | 1,358.75 mi (2,186.70 km) |
| Riga to Sin-le-Noble | 967.11 mi (1,556.42 km) |
| Riga to Six-Fours-les-Plages | 1,246.65 mi (2,006.29 km) |
| Riga to Soissons | 1,001.21 mi (1,611.29 km) |
| Riga to Soisy-sous-Montmorency | 1,054.20 mi (1,696.57 km) |
| Riga to Sollies-Pont | 1,235.37 mi (1,988.13 km) |
| Riga to Somain | 961.39 mi (1,547.21 km) |
| Riga to Sorgues | 1,222.36 mi (1,967.19 km) |
| Riga to Sotteville-les-Rouen | 1,078.70 mi (1,736.00 km) |
| Riga to Soyaux | 1,283.92 mi (2,066.28 km) |
| Riga to Stains | 1,052.95 mi (1,694.57 km) |
| Riga to Stiring-Wendel | 887.54 mi (1,428.36 km) |
| Riga to Strasbourg | 891.49 mi (1,434.71 km) |
| Riga to Sucy-en-Brie | 1,056.14 mi (1,699.69 km) |
| Riga to Suresnes | 1,062.19 mi (1,709.43 km) |
