| Gladbeck to Sangeorz-Bai | 843.98 mi (1,358.26 km) |
| Gladbeck to Sannicolau Mare | 726.31 mi (1,168.89 km) |
| Gladbeck to Santana | 749.55 mi (1,206.28 km) |
| Gladbeck to Satu Mare | 756.35 mi (1,217.23 km) |
| Gladbeck to Scobinti | 938.38 mi (1,510.18 km) |
| Gladbeck to Scornicesti | 941.30 mi (1,514.88 km) |
| Gladbeck to Sebes | 846.98 mi (1,363.09 km) |
| Gladbeck to Seini | 774.12 mi (1,245.83 km) |
| Gladbeck to Sfantu-Gheorghe | 940.60 mi (1,513.74 km) |
| Gladbeck to Sibiu | 876.73 mi (1,410.95 km) |
| Gladbeck to Sighetu Marmatiei | 794.22 mi (1,278.17 km) |
| Gladbeck to Sighisoara | 887.08 mi (1,427.62 km) |
| Gladbeck to Simeria | 828.81 mi (1,333.85 km) |
| Gladbeck to Sinaia | 950.08 mi (1,529.00 km) |
| Gladbeck to Slatina | 939.93 mi (1,512.68 km) |
