| Kuusankoski to Karlovo | 1,264.24 mi (2,034.59 km) |
| Kuusankoski to Karnobat | 1,262.77 mi (2,032.23 km) |
| Kuusankoski to Kavarna | 1,209.48 mi (1,946.46 km) |
| Kuusankoski to Kazanlak | 1,264.86 mi (2,035.59 km) |
| Kuusankoski to Knezha | 1,207.37 mi (1,943.08 km) |
| Kuusankoski to Kostinbrod | 1,258.02 mi (2,024.59 km) |
| Kuusankoski to Kozloduy | 1,189.21 mi (1,913.85 km) |
| Kuusankoski to Kyustendil | 1,297.36 mi (2,087.90 km) |
| Kuusankoski to Levski | 1,213.58 mi (1,953.06 km) |
| Kuusankoski to Lom | 1,188.53 mi (1,912.75 km) |
| Kuusankoski to Lovech | 1,230.58 mi (1,980.43 km) |
| Kuusankoski to Lukovit | 1,227.76 mi (1,975.89 km) |
| Kuusankoski to Lyaskovets | 1,231.01 mi (1,981.12 km) |
| Kuusankoski to Mezdra | 1,232.96 mi (1,984.25 km) |
| Kuusankoski to Momchilgrad | 1,339.65 mi (2,155.95 km) |
