| Grenchen to Rury | 735.80 mi (1,184.15 km) |
| Grenchen to Rybnik | 546.41 mi (879.36 km) |
| Grenchen to Ryki | 720.31 mi (1,159.23 km) |
| Grenchen to Rypin | 669.28 mi (1,077.10 km) |
| Grenchen to Rzeszow | 694.13 mi (1,117.09 km) |
| Grenchen to Sandomierz | 693.34 mi (1,115.83 km) |
| Grenchen to Sanok | 698.25 mi (1,123.72 km) |
| Grenchen to Sedziszow Malopolski | 681.52 mi (1,096.79 km) |
| Grenchen to Sepolno Krajenskie | 620.90 mi (999.25 km) |
| Grenchen to Sidlice | 694.79 mi (1,118.16 km) |
| Grenchen to Siechnice | 514.46 mi (827.94 km) |
| Grenchen to Siedlce | 746.69 mi (1,201.67 km) |
| Grenchen to Siemianowice Slaskie | 568.78 mi (915.37 km) |
| Grenchen to Siemiatycze | 776.57 mi (1,249.77 km) |
| Grenchen to Sieradz | 593.58 mi (955.27 km) |
