| Piera to Karlovo | 1,181.26 mi (1,901.05 km) |
| Piera to Karnobat | 1,291.56 mi (2,078.56 km) |
| Piera to Kavarna | 1,355.32 mi (2,181.17 km) |
| Piera to Kazanlak | 1,211.45 mi (1,949.63 km) |
| Piera to Knezha | 1,142.20 mi (1,838.19 km) |
| Piera to Kostinbrod | 1,099.97 mi (1,770.23 km) |
| Piera to Kozloduy | 1,124.62 mi (1,809.90 km) |
| Piera to Kyustendil | 1,075.09 mi (1,730.19 km) |
| Piera to Levski | 1,195.09 mi (1,923.31 km) |
| Piera to Lom | 1,099.93 mi (1,770.16 km) |
| Piera to Lovech | 1,174.78 mi (1,890.62 km) |
| Piera to Lukovit | 1,146.88 mi (1,845.73 km) |
| Piera to Lyaskovets | 1,225.24 mi (1,971.84 km) |
| Piera to Mezdra | 1,123.49 mi (1,808.08 km) |
| Piera to Momchilgrad | 1,220.35 mi (1,963.96 km) |
