| Illingen to Siegburg | 98.69 mi (158.82 km) |
| Illingen to Siegen | 112.53 mi (181.10 km) |
| Illingen to Sigmaringen | 132.90 mi (213.88 km) |
| Illingen to Simbach am Inn | 281.86 mi (453.61 km) |
| Illingen to Simmerath | 90.92 mi (146.31 km) |
| Illingen to Sindelfingen | 99.50 mi (160.13 km) |
| Illingen to Sinsheim | 82.92 mi (133.45 km) |
| Illingen to Sinzheim | 65.93 mi (106.11 km) |
| Illingen to Sinzig | 81.25 mi (130.76 km) |
| Illingen to Soest | 158.59 mi (255.23 km) |
| Illingen to Solingen | 123.71 mi (199.08 km) |
| Illingen to Soltau | 276.74 mi (445.37 km) |
| Illingen to Sommerda | 217.75 mi (350.43 km) |
| Illingen to Sondershausen | 217.12 mi (349.42 km) |
| Illingen to Sonneberg | 195.17 mi (314.09 km) |
