| Solothurn to Kamen | 302.34 mi (486.57 km) |
| Solothurn to Kamenz | 407.20 mi (655.32 km) |
| Solothurn to Kamp-Lintfort | 299.34 mi (481.74 km) |
| Solothurn to Kandel | 132.58 mi (213.37 km) |
| Solothurn to Kappeln | 524.78 mi (844.56 km) |
| Solothurn to Karben | 215.81 mi (347.31 km) |
| Solothurn to Karlsdorf-Neuthard | 140.57 mi (226.23 km) |
| Solothurn to Karlsfeld | 195.44 mi (314.53 km) |
| Solothurn to Karlsruhe | 130.20 mi (209.53 km) |
| Solothurn to Kassel | 296.72 mi (477.52 km) |
| Solothurn to Kaufbeuren | 151.17 mi (243.28 km) |
| Solothurn to Kaufering | 167.01 mi (268.78 km) |
| Solothurn to Kaufungen | 296.12 mi (476.56 km) |
| Solothurn to Kehl | 94.20 mi (151.59 km) |
| Solothurn to Kelheim | 231.96 mi (373.31 km) |
