| Smolyan to Karkkila | 1,309.48 mi (2,107.40 km) |
| Smolyan to Kauhajoki | 1,444.22 mi (2,324.25 km) |
| Smolyan to Kauhava | 1,488.14 mi (2,394.94 km) |
| Smolyan to Kauniainen | 1,287.44 mi (2,071.94 km) |
| Smolyan to Kemi | 1,668.81 mi (2,685.68 km) |
| Smolyan to Kemijarvi | 1,739.68 mi (2,799.75 km) |
| Smolyan to Kempele | 1,612.21 mi (2,594.60 km) |
| Smolyan to Kerava | 1,300.22 mi (2,092.50 km) |
| Smolyan to Keuruu | 1,428.50 mi (2,298.96 km) |
| Smolyan to Kiiminki | 1,627.70 mi (2,619.52 km) |
| Smolyan to Kirkkonummi | 1,280.59 mi (2,060.91 km) |
| Smolyan to Kitee | 1,435.22 mi (2,309.77 km) |
| Smolyan to Kiuruvesi | 1,526.62 mi (2,456.85 km) |
| Smolyan to Kivisto | 1,294.84 mi (2,083.85 km) |
| Smolyan to Klaukkala | 1,298.87 mi (2,090.32 km) |
