| Perris to Karlovo | 6,635.55 mi (10,678.89 km) |
| Perris to Karnobat | 6,691.68 mi (10,769.23 km) |
| Perris to Kavarna | 6,676.06 mi (10,744.08 km) |
| Perris to Kazanlak | 6,652.54 mi (10,706.24 km) |
| Perris to Knezha | 6,566.01 mi (10,566.98 km) |
| Perris to Kostinbrod | 6,583.15 mi (10,594.55 km) |
| Perris to Kozloduy | 6,540.17 mi (10,525.39 km) |
| Perris to Kyustendil | 6,599.78 mi (10,621.31 km) |
| Perris to Levski | 6,601.08 mi (10,623.40 km) |
| Perris to Lom | 6,524.64 mi (10,500.39 km) |
| Perris to Lovech | 6,604.11 mi (10,628.29 km) |
| Perris to Lukovit | 6,585.89 mi (10,598.96 km) |
| Perris to Lyaskovets | 6,631.84 mi (10,672.92 km) |
| Perris to Mezdra | 6,576.52 mi (10,583.89 km) |
| Perris to Momchilgrad | 6,717.46 mi (10,810.71 km) |
