| Grenchen to Sonneberg | 277.65 mi (446.83 km) |
| Grenchen to Sonsbeck | 308.69 mi (496.79 km) |
| Grenchen to Sonthofen | 136.88 mi (220.28 km) |
| Grenchen to Spaichingen | 87.41 mi (140.68 km) |
| Grenchen to Spelle | 357.65 mi (575.58 km) |
| Grenchen to Spenge | 344.94 mi (555.13 km) |
| Grenchen to Speyer | 154.59 mi (248.79 km) |
| Grenchen to Spiesen-Elversberg | 147.40 mi (237.21 km) |
| Grenchen to Spremberg | 435.86 mi (701.46 km) |
| Grenchen to Springe | 360.31 mi (579.87 km) |
| Grenchen to Sprockhovel | 288.62 mi (464.48 km) |
| Grenchen to Stade | 452.23 mi (727.79 km) |
| Grenchen to Stadtallendorf | 262.16 mi (421.91 km) |
| Grenchen to Stadthagen | 363.79 mi (585.46 km) |
| Grenchen to Stadtlohn | 332.48 mi (535.07 km) |
