| Solothurn to Rury | 729.28 mi (1,173.66 km) |
| Solothurn to Rybnik | 539.83 mi (868.78 km) |
| Solothurn to Ryki | 713.86 mi (1,148.85 km) |
| Solothurn to Rypin | 663.29 mi (1,067.46 km) |
| Solothurn to Rzeszow | 687.49 mi (1,106.41 km) |
| Solothurn to Sandomierz | 686.77 mi (1,105.25 km) |
| Solothurn to Sanok | 691.59 mi (1,113.00 km) |
| Solothurn to Sedziszow Malopolski | 674.88 mi (1,086.12 km) |
| Solothurn to Sepolno Krajenskie | 615.26 mi (990.17 km) |
| Solothurn to Sidlice | 689.25 mi (1,109.24 km) |
| Solothurn to Siechnice | 508.15 mi (817.78 km) |
| Solothurn to Siedlce | 740.31 mi (1,191.42 km) |
| Solothurn to Siemianowice Slaskie | 562.22 mi (904.81 km) |
| Solothurn to Siemiatycze | 770.22 mi (1,239.55 km) |
| Solothurn to Sieradz | 587.29 mi (945.15 km) |
