| Wittmund to Sangeorz-Bai | 854.84 mi (1,375.73 km) |
| Wittmund to Sannicolau Mare | 770.27 mi (1,239.63 km) |
| Wittmund to Santana | 785.75 mi (1,264.54 km) |
| Wittmund to Satu Mare | 770.55 mi (1,240.08 km) |
| Wittmund to Scobinti | 940.47 mi (1,513.54 km) |
| Wittmund to Scornicesti | 977.22 mi (1,572.69 km) |
| Wittmund to Sebes | 876.18 mi (1,410.08 km) |
| Wittmund to Seini | 787.01 mi (1,266.57 km) |
| Wittmund to Sfantu-Gheorghe | 960.60 mi (1,545.93 km) |
| Wittmund to Sibiu | 904.62 mi (1,455.85 km) |
| Wittmund to Sighetu Marmatiei | 802.55 mi (1,291.57 km) |
| Wittmund to Sighisoara | 908.34 mi (1,461.83 km) |
| Wittmund to Simeria | 861.75 mi (1,386.85 km) |
| Wittmund to Sinaia | 975.33 mi (1,569.64 km) |
| Wittmund to Slatina | 977.79 mi (1,573.60 km) |
