| Smiltene to Karlovo | 1,022.99 mi (1,646.34 km) |
| Smiltene to Karnobat | 1,023.68 mi (1,647.45 km) |
| Smiltene to Kavarna | 973.06 mi (1,565.98 km) |
| Smiltene to Kazanlak | 1,023.96 mi (1,647.91 km) |
| Smiltene to Knezha | 965.92 mi (1,554.50 km) |
| Smiltene to Kostinbrod | 1,016.68 mi (1,636.19 km) |
| Smiltene to Kozloduy | 947.77 mi (1,525.29 km) |
| Smiltene to Kyustendil | 1,056.23 mi (1,699.83 km) |
| Smiltene to Levski | 972.48 mi (1,565.05 km) |
| Smiltene to Lom | 947.23 mi (1,524.42 km) |
| Smiltene to Lovech | 989.28 mi (1,592.09 km) |
| Smiltene to Lukovit | 986.31 mi (1,587.32 km) |
| Smiltene to Lyaskovets | 990.37 mi (1,593.84 km) |
| Smiltene to Mezdra | 991.51 mi (1,595.69 km) |
| Smiltene to Momchilgrad | 1,098.79 mi (1,768.33 km) |
