| Duffel to Sangeorz-Bai | 942.09 mi (1,516.15 km) |
| Duffel to Sannicolau Mare | 811.59 mi (1,306.12 km) |
| Duffel to Santana | 838.30 mi (1,349.12 km) |
| Duffel to Satu Mare | 853.94 mi (1,374.29 km) |
| Duffel to Scobinti | 1,038.82 mi (1,671.81 km) |
| Duffel to Scornicesti | 1,028.44 mi (1,655.11 km) |
| Duffel to Sebes | 937.94 mi (1,509.48 km) |
| Duffel to Seini | 872.03 mi (1,403.39 km) |
| Duffel to Sfantu-Gheorghe | 1,034.71 mi (1,665.20 km) |
| Duffel to Sibiu | 968.01 mi (1,557.86 km) |
| Duffel to Sighetu Marmatiei | 893.50 mi (1,437.95 km) |
| Duffel to Sighisoara | 981.05 mi (1,578.84 km) |
| Duffel to Simeria | 918.27 mi (1,477.81 km) |
| Duffel to Sinaia | 1,041.97 mi (1,676.89 km) |
| Duffel to Slatina | 1,026.13 mi (1,651.40 km) |
