| Bolsward to Karlovo | 1,141.36 mi (1,836.84 km) |
| Bolsward to Karnobat | 1,220.54 mi (1,964.26 km) |
| Bolsward to Kavarna | 1,234.07 mi (1,986.04 km) |
| Bolsward to Kazanlak | 1,163.81 mi (1,872.97 km) |
| Bolsward to Knezha | 1,073.65 mi (1,727.87 km) |
| Bolsward to Kostinbrod | 1,077.10 mi (1,733.42 km) |
| Bolsward to Kozloduy | 1,047.45 mi (1,685.71 km) |
| Bolsward to Kyustendil | 1,086.47 mi (1,748.51 km) |
| Bolsward to Levski | 1,117.91 mi (1,799.10 km) |
| Bolsward to Lom | 1,027.74 mi (1,653.98 km) |
| Bolsward to Lovech | 1,114.06 mi (1,792.91 km) |
| Bolsward to Lukovit | 1,091.23 mi (1,756.16 km) |
| Bolsward to Lyaskovets | 1,151.87 mi (1,853.76 km) |
| Bolsward to Mezdra | 1,077.20 mi (1,733.58 km) |
| Bolsward to Momchilgrad | 1,218.61 mi (1,961.17 km) |
