| Konstancin-Jeziorna to Klaukkala | 589.88 mi (949.33 km) |
| Konstancin-Jeziorna to Kokkola | 815.34 mi (1,312.16 km) |
| Konstancin-Jeziorna to Kontiolahti | 804.81 mi (1,295.21 km) |
| Konstancin-Jeziorna to Korsholm | 762.32 mi (1,226.83 km) |
| Konstancin-Jeziorna to Kotka | 620.26 mi (998.22 km) |
| Konstancin-Jeziorna to Kouvola | 642.77 mi (1,034.44 km) |
| Konstancin-Jeziorna to Kuhmo | 884.94 mi (1,424.17 km) |
| Konstancin-Jeziorna to Kuopio | 784.62 mi (1,262.72 km) |
| Konstancin-Jeziorna to Kurikka | 729.32 mi (1,173.73 km) |
| Konstancin-Jeziorna to Kuusamo | 999.29 mi (1,608.20 km) |
| Konstancin-Jeziorna to Kuusankoski | 644.36 mi (1,036.99 km) |
| Konstancin-Jeziorna to Lahti | 638.35 mi (1,027.32 km) |
| Konstancin-Jeziorna to Laitila | 608.42 mi (979.16 km) |
| Konstancin-Jeziorna to Lapinlahti | 812.24 mi (1,307.17 km) |
| Konstancin-Jeziorna to Lappeenranta | 675.54 mi (1,087.18 km) |
