| Smolyan to Kokkola | 1,538.85 mi (2,476.54 km) |
| Smolyan to Kontiolahti | 1,478.70 mi (2,379.73 km) |
| Smolyan to Korsholm | 1,492.59 mi (2,402.09 km) |
| Smolyan to Kotka | 1,308.16 mi (2,105.29 km) |
| Smolyan to Kouvola | 1,335.12 mi (2,148.66 km) |
| Smolyan to Kuhmo | 1,569.34 mi (2,525.61 km) |
| Smolyan to Kuopio | 1,477.33 mi (2,377.53 km) |
| Smolyan to Kurikka | 1,456.32 mi (2,343.72 km) |
| Smolyan to Kuusamo | 1,693.65 mi (2,725.66 km) |
| Smolyan to Kuusankoski | 1,337.68 mi (2,152.78 km) |
| Smolyan to Lahti | 1,341.00 mi (2,158.14 km) |
| Smolyan to Laitila | 1,339.46 mi (2,155.66 km) |
| Smolyan to Lapinlahti | 1,509.00 mi (2,428.51 km) |
| Smolyan to Lappeenranta | 1,354.09 mi (2,179.19 km) |
| Smolyan to Lapua | 1,479.29 mi (2,380.68 km) |
