| Donaueschingen to Settimo Torinese | 197.95 mi (318.56 km) |
| Donaueschingen to Seveso | 162.38 mi (261.32 km) |
| Donaueschingen to Sezze | 498.75 mi (802.67 km) |
| Donaueschingen to Siano | 580.57 mi (934.33 km) |
| Donaueschingen to Siena | 348.10 mi (560.21 km) |
| Donaueschingen to Signa | 313.98 mi (505.30 km) |
| Donaueschingen to Silea | 239.54 mi (385.50 km) |
| Donaueschingen to Silvi Paese | 462.24 mi (743.90 km) |
| Donaueschingen to Sinalunga | 362.53 mi (583.44 km) |
| Donaueschingen to Siniscola | 513.21 mi (825.94 km) |
| Donaueschingen to Sinnai | 598.71 mi (963.53 km) |
| Donaueschingen to Siracusa | 826.78 mi (1,330.58 km) |
| Donaueschingen to Solaro | 163.86 mi (263.71 km) |
| Donaueschingen to Soliera | 250.33 mi (402.86 km) |
| Donaueschingen to Solofra | 582.79 mi (937.90 km) |
