| North Branch to Smolyan | 5,298.93 mi (8,527.80 km) |
| North Branch to Sofia | 5,194.71 mi (8,360.07 km) |
| North Branch to Sopot | 5,243.86 mi (8,439.17 km) |
| North Branch to Sozopol | 5,350.81 mi (8,611.30 km) |
| North Branch to Sredets | 5,338.63 mi (8,591.69 km) |
| North Branch to Stamboliyski | 5,264.22 mi (8,471.94 km) |
| North Branch to Stara Zagora | 5,284.56 mi (8,504.67 km) |
| North Branch to Svilengrad | 5,338.09 mi (8,590.82 km) |
| North Branch to Svishtov | 5,211.77 mi (8,387.54 km) |
| North Branch to Targovishte | 5,270.53 mi (8,482.10 km) |
| North Branch to Teteven | 5,214.00 mi (8,391.12 km) |
| North Branch to Troyan | 5,230.39 mi (8,417.50 km) |
| North Branch to Tryavna | 5,256.55 mi (8,459.60 km) |
| North Branch to Tutrakan | 5,228.58 mi (8,414.58 km) |
| North Branch to Varna | 5,314.12 mi (8,552.25 km) |
