| Harelbeke to Sangeorz-Bai | 992.07 mi (1,596.58 km) |
| Harelbeke to Sannicolau Mare | 856.44 mi (1,378.31 km) |
| Harelbeke to Santana | 884.55 mi (1,423.55 km) |
| Harelbeke to Satu Mare | 903.81 mi (1,454.54 km) |
| Harelbeke to Scobinti | 1,089.69 mi (1,753.69 km) |
| Harelbeke to Scornicesti | 1,073.66 mi (1,727.89 km) |
| Harelbeke to Sebes | 984.94 mi (1,585.11 km) |
| Harelbeke to Seini | 922.00 mi (1,483.82 km) |
| Harelbeke to Sfantu-Gheorghe | 1,082.91 mi (1,742.78 km) |
| Harelbeke to Sibiu | 1,015.10 mi (1,633.64 km) |
| Harelbeke to Sighetu Marmatiei | 944.01 mi (1,519.24 km) |
| Harelbeke to Sighisoara | 1,029.25 mi (1,656.42 km) |
| Harelbeke to Simeria | 964.66 mi (1,552.47 km) |
| Harelbeke to Sinaia | 1,089.22 mi (1,752.93 km) |
| Harelbeke to Slatina | 1,070.96 mi (1,723.54 km) |
