| Serres to Klaukkala | 1,334.39 mi (2,147.49 km) |
| Serres to Kokkola | 1,572.20 mi (2,530.21 km) |
| Serres to Kontiolahti | 1,520.34 mi (2,446.75 km) |
| Serres to Korsholm | 1,523.99 mi (2,452.62 km) |
| Serres to Kotka | 1,347.00 mi (2,167.79 km) |
| Serres to Kouvola | 1,373.48 mi (2,210.41 km) |
| Serres to Kuhmo | 1,609.96 mi (2,590.97 km) |
| Serres to Kuopio | 1,516.34 mi (2,440.31 km) |
| Serres to Kurikka | 1,488.57 mi (2,395.62 km) |
| Serres to Kuusamo | 1,733.17 mi (2,789.27 km) |
| Serres to Kuusankoski | 1,375.92 mi (2,214.32 km) |
| Serres to Lahti | 1,377.81 mi (2,217.37 km) |
| Serres to Laitila | 1,370.28 mi (2,205.25 km) |
| Serres to Lapinlahti | 1,547.51 mi (2,490.47 km) |
| Serres to Lappeenranta | 1,394.46 mi (2,244.16 km) |
