| Nykoping to Smolyan | 1,232.27 mi (1,983.14 km) |
| Nykoping to Sofia | 1,141.87 mi (1,837.67 km) |
| Nykoping to Sopot | 1,161.21 mi (1,868.79 km) |
| Nykoping to Sozopol | 1,218.81 mi (1,961.49 km) |
| Nykoping to Sredets | 1,215.26 mi (1,955.78 km) |
| Nykoping to Stamboliyski | 1,193.31 mi (1,920.45 km) |
| Nykoping to Stara Zagora | 1,187.28 mi (1,910.75 km) |
| Nykoping to Svilengrad | 1,239.19 mi (1,994.28 km) |
| Nykoping to Svishtov | 1,104.45 mi (1,777.44 km) |
| Nykoping to Targovishte | 1,146.53 mi (1,845.16 km) |
| Nykoping to Teteven | 1,137.51 mi (1,830.65 km) |
| Nykoping to Troyan | 1,145.17 mi (1,842.97 km) |
| Nykoping to Tryavna | 1,156.38 mi (1,861.01 km) |
| Nykoping to Tutrakan | 1,094.49 mi (1,761.41 km) |
| Nykoping to Varna | 1,170.17 mi (1,883.21 km) |
