| Saint-Sebastien-sur-Loire to Sangeorz-Bai | 1,221.26 mi (1,965.42 km) |
| Saint-Sebastien-sur-Loire to Sannicolau Mare | 1,048.57 mi (1,687.51 km) |
| Saint-Sebastien-sur-Loire to Santana | 1,086.00 mi (1,747.75 km) |
| Saint-Sebastien-sur-Loire to Satu Mare | 1,134.56 mi (1,825.91 km) |
| Saint-Sebastien-sur-Loire to Scobinti | 1,325.05 mi (2,132.46 km) |
| Saint-Sebastien-sur-Loire to Scornicesti | 1,260.05 mi (2,027.86 km) |
| Saint-Sebastien-sur-Loire to Sebes | 1,188.55 mi (1,912.78 km) |
| Saint-Sebastien-sur-Loire to Seini | 1,153.14 mi (1,855.80 km) |
| Saint-Sebastien-sur-Loire to Sfantu-Gheorghe | 1,293.72 mi (2,082.03 km) |
| Saint-Sebastien-sur-Loire to Sibiu | 1,218.47 mi (1,960.93 km) |
| Saint-Sebastien-sur-Loire to Sighetu Marmatiei | 1,179.51 mi (1,898.24 km) |
| Saint-Sebastien-sur-Loire to Sighisoara | 1,241.58 mi (1,998.12 km) |
| Saint-Sebastien-sur-Loire to Simeria | 1,164.11 mi (1,873.46 km) |
| Saint-Sebastien-sur-Loire to Sinaia | 1,291.70 mi (2,078.78 km) |
| Saint-Sebastien-sur-Loire to Slatina | 1,254.29 mi (2,018.58 km) |
