| Nieuwpoort to Karnobat | 1,277.73 mi (2,056.31 km) |
| Nieuwpoort to Kavarna | 1,302.87 mi (2,096.77 km) |
| Nieuwpoort to Kazanlak | 1,213.46 mi (1,952.88 km) |
| Nieuwpoort to Knezha | 1,123.80 mi (1,808.58 km) |
| Nieuwpoort to Kostinbrod | 1,116.96 mi (1,797.57 km) |
| Nieuwpoort to Kozloduy | 1,098.23 mi (1,767.42 km) |
| Nieuwpoort to Kyustendil | 1,119.00 mi (1,800.85 km) |
| Nieuwpoort to Levski | 1,172.17 mi (1,886.42 km) |
| Nieuwpoort to Lom | 1,076.29 mi (1,732.12 km) |
| Nieuwpoort to Lovech | 1,164.40 mi (1,873.93 km) |
| Nieuwpoort to Lukovit | 1,139.31 mi (1,833.55 km) |
| Nieuwpoort to Lyaskovets | 1,206.79 mi (1,942.14 km) |
| Nieuwpoort to Mezdra | 1,122.43 mi (1,806.38 km) |
| Nieuwpoort to Momchilgrad | 1,260.31 mi (2,028.27 km) |
| Nieuwpoort to Montana | 1,092.51 mi (1,758.23 km) |
