| North Port to Smolyan | 5,788.85 mi (9,316.25 km) |
| North Port to Sofia | 5,689.20 mi (9,155.89 km) |
| North Port to Sopot | 5,753.12 mi (9,258.75 km) |
| North Port to Sozopol | 5,889.17 mi (9,477.70 km) |
| North Port to Sredets | 5,870.18 mi (9,447.14 km) |
| North Port to Stamboliyski | 5,761.96 mi (9,272.98 km) |
| North Port to Stara Zagora | 5,800.06 mi (9,334.30 km) |
| North Port to Svilengrad | 5,848.26 mi (9,411.87 km) |
| North Port to Svishtov | 5,744.56 mi (9,244.98 km) |
| North Port to Targovishte | 5,810.53 mi (9,351.15 km) |
| North Port to Teteven | 5,722.64 mi (9,209.69 km) |
| North Port to Troyan | 5,743.39 mi (9,243.10 km) |
| North Port to Tryavna | 5,777.93 mi (9,298.67 km) |
| North Port to Tutrakan | 5,782.64 mi (9,306.26 km) |
| North Port to Varna | 5,868.39 mi (9,444.27 km) |
