| Kalkar to Klaukkala | 923.70 mi (1,486.54 km) |
| Kalkar to Kokkola | 1,034.02 mi (1,664.09 km) |
| Kalkar to Kontiolahti | 1,152.55 mi (1,854.84 km) |
| Kalkar to Korsholm | 966.81 mi (1,555.93 km) |
| Kalkar to Kotka | 991.32 mi (1,595.37 km) |
| Kalkar to Kouvola | 997.78 mi (1,605.78 km) |
| Kalkar to Kuhmo | 1,194.44 mi (1,922.27 km) |
| Kalkar to Kuopio | 1,099.41 mi (1,769.33 km) |
| Kalkar to Kurikka | 958.18 mi (1,542.04 km) |
| Kalkar to Kuusamo | 1,263.91 mi (2,034.06 km) |
| Kalkar to Kuusankoski | 996.84 mi (1,604.25 km) |
| Kalkar to Lahti | 971.62 mi (1,563.67 km) |
| Kalkar to Laitila | 860.63 mi (1,385.05 km) |
| Kalkar to Lapinlahti | 1,110.94 mi (1,787.88 km) |
| Kalkar to Lappeenranta | 1,047.81 mi (1,686.29 km) |
