| Kilkis to Klaukkala | 1,342.72 mi (2,160.90 km) |
| Kilkis to Kokkola | 1,579.05 mi (2,541.24 km) |
| Kilkis to Kontiolahti | 1,532.19 mi (2,465.83 km) |
| Kilkis to Korsholm | 1,529.75 mi (2,461.90 km) |
| Kilkis to Kotka | 1,357.29 mi (2,184.35 km) |
| Kilkis to Kouvola | 1,383.46 mi (2,226.47 km) |
| Kilkis to Kuhmo | 1,621.12 mi (2,608.94 km) |
| Kilkis to Kuopio | 1,526.59 mi (2,456.81 km) |
| Kilkis to Kurikka | 1,494.85 mi (2,405.72 km) |
| Kilkis to Kuusamo | 1,743.60 mi (2,806.05 km) |
| Kilkis to Kuusankoski | 1,385.82 mi (2,230.26 km) |
| Kilkis to Lahti | 1,386.86 mi (2,231.93 km) |
| Kilkis to Laitila | 1,375.84 mi (2,214.20 km) |
| Kilkis to Lapinlahti | 1,557.43 mi (2,506.44 km) |
| Kilkis to Lappeenranta | 1,405.63 mi (2,262.14 km) |
