| Azcoitia to Karlovo | 1,366.76 mi (2,199.59 km) |
| Azcoitia to Karnobat | 1,475.41 mi (2,374.44 km) |
| Azcoitia to Kavarna | 1,532.09 mi (2,465.65 km) |
| Azcoitia to Kazanlak | 1,396.70 mi (2,247.77 km) |
| Azcoitia to Knezha | 1,320.93 mi (2,125.83 km) |
| Azcoitia to Kostinbrod | 1,285.21 mi (2,068.34 km) |
| Azcoitia to Kozloduy | 1,300.96 mi (2,093.69 km) |
| Azcoitia to Kyustendil | 1,265.29 mi (2,036.28 km) |
| Azcoitia to Levski | 1,374.40 mi (2,211.88 km) |
| Azcoitia to Lom | 1,276.07 mi (2,053.63 km) |
| Azcoitia to Lovech | 1,356.30 mi (2,182.75 km) |
| Azcoitia to Lukovit | 1,328.19 mi (2,137.52 km) |
| Azcoitia to Lyaskovets | 1,406.39 mi (2,263.37 km) |
| Azcoitia to Mezdra | 1,305.51 mi (2,101.02 km) |
| Azcoitia to Momchilgrad | 1,413.76 mi (2,275.23 km) |
