| Nules to Smolyan | 1,302.33 mi (2,095.90 km) |
| Nules to Sofia | 1,230.92 mi (1,980.98 km) |
| Nules to Sopot | 1,303.01 mi (2,096.99 km) |
| Nules to Sozopol | 1,453.50 mi (2,339.18 km) |
| Nules to Sredets | 1,428.19 mi (2,298.46 km) |
| Nules to Stamboliyski | 1,292.33 mi (2,079.81 km) |
| Nules to Stara Zagora | 1,348.96 mi (2,170.95 km) |
| Nules to Svilengrad | 1,378.93 mi (2,219.17 km) |
| Nules to Svishtov | 1,334.73 mi (2,148.04 km) |
| Nules to Targovishte | 1,395.94 mi (2,246.56 km) |
| Nules to Teteven | 1,278.71 mi (2,057.89 km) |
| Nules to Troyan | 1,301.44 mi (2,094.47 km) |
| Nules to Tryavna | 1,341.09 mi (2,158.28 km) |
| Nules to Tutrakan | 1,399.13 mi (2,251.69 km) |
| Nules to Varna | 1,463.07 mi (2,354.58 km) |
