| Cities | Distance |
|---|---|
| Piraeus to Karlovo | 330.48 mi (531.85 km) |
| Piraeus to Karnobat | 368.62 mi (593.24 km) |
| Piraeus to Kavarna | 451.69 mi (726.92 km) |
| Piraeus to Kazanlak | 335.86 mi (540.51 km) |
| Piraeus to Knezha | 384.63 mi (619.00 km) |
| Piraeus to Kostinbrod | 337.50 mi (543.15 km) |
| Piraeus to Kozloduy | 403.55 mi (649.45 km) |
| Piraeus to Kyustendil | 304.17 mi (489.52 km) |
| Piraeus to Levski | 382.74 mi (615.95 km) |
| Piraeus to Lom | 407.01 mi (655.02 km) |
| Piraeus to Lovech | 363.08 mi (584.32 km) |
| Piraeus to Lukovit | 364.24 mi (586.19 km) |
| Piraeus to Lyaskovets | 372.49 mi (599.47 km) |
| Piraeus to Mezdra | 359.78 mi (579.01 km) |
| Piraeus to Momchilgrad | 265.27 mi (426.91 km) |