| Estero to Karlovo | 5,768.93 mi (9,284.20 km) |
| Estero to Karnobat | 5,864.15 mi (9,437.44 km) |
| Estero to Kavarna | 5,892.59 mi (9,483.21 km) |
| Estero to Kazanlak | 5,795.85 mi (9,327.53 km) |
| Estero to Knezha | 5,707.72 mi (9,185.68 km) |
| Estero to Kostinbrod | 5,692.92 mi (9,161.87 km) |
| Estero to Kozloduy | 5,682.83 mi (9,145.64 km) |
| Estero to Kyustendil | 5,687.12 mi (9,152.53 km) |
| Estero to Levski | 5,757.93 mi (9,266.49 km) |
| Estero to Lom | 5,659.84 mi (9,108.63 km) |
| Estero to Lovech | 5,747.92 mi (9,250.39 km) |
| Estero to Lukovit | 5,721.64 mi (9,208.09 km) |
| Estero to Lyaskovets | 5,792.59 mi (9,322.26 km) |
| Estero to Mezdra | 5,702.91 mi (9,177.95 km) |
| Estero to Momchilgrad | 5,834.80 mi (9,390.21 km) |
