| Adra to Karlovo | 1,526.53 mi (2,456.71 km) |
| Adra to Karnobat | 1,636.62 mi (2,633.88 km) |
| Adra to Kavarna | 1,709.01 mi (2,750.39 km) |
| Adra to Kazanlak | 1,556.32 mi (2,504.65 km) |
| Adra to Knezha | 1,498.01 mi (2,410.81 km) |
| Adra to Kostinbrod | 1,447.88 mi (2,330.13 km) |
| Adra to Kozloduy | 1,483.94 mi (2,388.17 km) |
| Adra to Kyustendil | 1,416.13 mi (2,279.04 km) |
| Adra to Levski | 1,548.83 mi (2,492.60 km) |
| Adra to Lom | 1,460.13 mi (2,349.85 km) |
| Adra to Lovech | 1,525.98 mi (2,455.83 km) |
| Adra to Lukovit | 1,499.10 mi (2,412.57 km) |
| Adra to Lyaskovets | 1,575.74 mi (2,535.91 km) |
| Adra to Mezdra | 1,475.33 mi (2,374.32 km) |
| Adra to Momchilgrad | 1,551.67 mi (2,497.17 km) |
