| Donaueschingen to Serik | 1,373.66 mi (2,210.69 km) |
| Donaueschingen to Serinhisar | 1,267.55 mi (2,039.92 km) |
| Donaueschingen to Serinyol | 1,616.03 mi (2,600.75 km) |
| Donaueschingen to Seydisehir | 1,383.05 mi (2,225.81 km) |
| Donaueschingen to Seyhan | 1,551.94 mi (2,497.60 km) |
| Donaueschingen to Seyitgazi | 1,248.37 mi (2,009.06 km) |
| Donaueschingen to Siirt | 1,810.26 mi (2,913.33 km) |
| Donaueschingen to Sile | 1,134.93 mi (1,826.50 km) |
| Donaueschingen to Silifke | 1,517.62 mi (2,442.37 km) |
| Donaueschingen to Silivri | 1,078.53 mi (1,735.72 km) |
| Donaueschingen to Silopi | 1,860.11 mi (2,993.56 km) |
| Donaueschingen to Simav | 1,189.69 mi (1,914.62 km) |
| Donaueschingen to Sinanpasa | 1,257.72 mi (2,024.10 km) |
| Donaueschingen to Sindirgi | 1,148.85 mi (1,848.89 km) |
| Donaueschingen to Sinop | 1,357.14 mi (2,184.10 km) |
