| Portage to Karlovo | 5,156.14 mi (8,298.01 km) |
| Portage to Karnobat | 5,235.50 mi (8,425.72 km) |
| Portage to Kavarna | 5,243.99 mi (8,439.39 km) |
| Portage to Kazanlak | 5,179.08 mi (8,334.92 km) |
| Portage to Knezha | 5,088.86 mi (8,189.73 km) |
| Portage to Kostinbrod | 5,089.35 mi (8,190.51 km) |
| Portage to Kozloduy | 5,062.70 mi (8,147.63 km) |
| Portage to Kyustendil | 5,094.60 mi (8,198.96 km) |
| Portage to Levski | 5,133.33 mi (8,261.29 km) |
| Portage to Lom | 5,042.62 mi (8,115.32 km) |
| Portage to Lovech | 5,129.34 mi (8,254.88 km) |
| Portage to Lukovit | 5,106.15 mi (8,217.56 km) |
| Portage to Lyaskovets | 5,167.23 mi (8,315.86 km) |
| Portage to Mezdra | 5,091.42 mi (8,193.86 km) |
| Portage to Momchilgrad | 5,232.03 mi (8,420.14 km) |
