| Penafiel to Karlovo | 1,693.15 mi (2,724.86 km) |
| Penafiel to Karnobat | 1,802.65 mi (2,901.08 km) |
| Penafiel to Kavarna | 1,861.92 mi (2,996.48 km) |
| Penafiel to Kazanlak | 1,723.24 mi (2,773.29 km) |
| Penafiel to Knezha | 1,649.80 mi (2,655.10 km) |
| Penafiel to Kostinbrod | 1,611.56 mi (2,593.55 km) |
| Penafiel to Kozloduy | 1,630.56 mi (2,624.14 km) |
| Penafiel to Kyustendil | 1,589.34 mi (2,557.80 km) |
| Penafiel to Levski | 1,703.17 mi (2,740.99 km) |
| Penafiel to Lom | 1,605.68 mi (2,584.10 km) |
| Penafiel to Lovech | 1,684.25 mi (2,710.53 km) |
| Penafiel to Lukovit | 1,656.17 mi (2,665.35 km) |
| Penafiel to Lyaskovets | 1,734.56 mi (2,791.51 km) |
| Penafiel to Mezdra | 1,633.18 mi (2,628.36 km) |
| Penafiel to Momchilgrad | 1,736.38 mi (2,794.44 km) |
