| Donaueschingen to Sangeorz-Bai | 752.48 mi (1,210.99 km) |
| Donaueschingen to Sannicolau Mare | 584.59 mi (940.81 km) |
| Donaueschingen to Santana | 619.87 mi (997.58 km) |
| Donaueschingen to Satu Mare | 665.92 mi (1,071.69 km) |
| Donaueschingen to Scobinti | 856.39 mi (1,378.23 km) |
| Donaueschingen to Scornicesti | 799.67 mi (1,286.94 km) |
| Donaueschingen to Sebes | 722.53 mi (1,162.80 km) |
| Donaueschingen to Seini | 684.48 mi (1,101.57 km) |
| Donaueschingen to Sfantu-Gheorghe | 826.70 mi (1,330.45 km) |
| Donaueschingen to Sibiu | 752.67 mi (1,211.30 km) |
| Donaueschingen to Sighetu Marmatiei | 711.11 mi (1,144.43 km) |
| Donaueschingen to Sighisoara | 774.12 mi (1,245.82 km) |
| Donaueschingen to Simeria | 698.96 mi (1,124.87 km) |
| Donaueschingen to Sinaia | 826.48 mi (1,330.09 km) |
| Donaueschingen to Slatina | 795.04 mi (1,279.49 km) |
