| Alfeld to Sangeorz-Bai | 734.93 mi (1,182.76 km) |
| Alfeld to Sannicolau Mare | 636.32 mi (1,024.06 km) |
| Alfeld to Santana | 654.36 mi (1,053.08 km) |
| Alfeld to Satu Mare | 648.57 mi (1,043.78 km) |
| Alfeld to Scobinti | 825.73 mi (1,328.89 km) |
| Alfeld to Scornicesti | 846.51 mi (1,362.33 km) |
| Alfeld to Sebes | 747.76 mi (1,203.41 km) |
| Alfeld to Seini | 665.78 mi (1,071.47 km) |
| Alfeld to Sfantu-Gheorghe | 836.46 mi (1,346.16 km) |
| Alfeld to Sibiu | 776.83 mi (1,250.19 km) |
| Alfeld to Sighetu Marmatiei | 683.80 mi (1,100.47 km) |
| Alfeld to Sighisoara | 783.47 mi (1,260.87 km) |
| Alfeld to Simeria | 731.82 mi (1,177.75 km) |
| Alfeld to Sinaia | 848.86 mi (1,366.11 km) |
| Alfeld to Slatina | 846.40 mi (1,362.14 km) |
