| Solothurn to Klaukkala | 1,142.03 mi (1,837.91 km) |
| Solothurn to Kokkola | 1,292.29 mi (2,079.74 km) |
| Solothurn to Kontiolahti | 1,376.96 mi (2,216.00 km) |
| Solothurn to Korsholm | 1,225.72 mi (1,972.61 km) |
| Solothurn to Kotka | 1,200.73 mi (1,932.38 km) |
| Solothurn to Kouvola | 1,213.14 mi (1,952.36 km) |
| Solothurn to Kuhmo | 1,432.75 mi (2,305.78 km) |
| Solothurn to Kuopio | 1,332.65 mi (2,144.69 km) |
| Solothurn to Kurikka | 1,210.17 mi (1,947.59 km) |
| Solothurn to Kuusamo | 1,517.60 mi (2,442.35 km) |
| Solothurn to Kuusankoski | 1,213.01 mi (1,952.16 km) |
| Solothurn to Lahti | 1,192.93 mi (1,919.83 km) |
| Solothurn to Laitila | 1,100.11 mi (1,770.46 km) |
| Solothurn to Lapinlahti | 1,349.64 mi (2,172.03 km) |
| Solothurn to Lappeenranta | 1,259.50 mi (2,026.98 km) |
